HC2VPP-395: Provide Interface statistics counters

Change-Id: If0f62b36b9d9dc6718ed62f81268ac0908f02297
Signed-off-by: Tibor Král <tibor.kral@pantheon.tech>

35 files changed, 532 insertions, 193 deletions

diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/AfPacketCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/AfPacketCustomizerTest.java
index 96d25649b..a3e4f331d 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/AfPacketCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/AfPacketCustomizerTest.java
@@ -35,9 +35,9 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.AfPacket;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.AfPacketBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.AfPacket;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.AfPacketBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class AfPacketCustomizerTest extends WriterCustomizerTest implements Ipv4Translator {
@@ -53,7 +53,7 @@ public class AfPacketCustomizerTest extends WriterCustomizerTest implements Ipv4
     @Override
     public void setUpTest() throws Exception {
         InterfaceTypeTestUtils.setupWriteContext(writeContext,
-            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.AfPacket.class);
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.AfPacket.class);
         customizer = new AfPacketCustomizer(api, new NamingContext("generatedInterfaceName", IFC_TEST_INSTANCE));
 
         final AfPacketCreateReply createReply = new AfPacketCreateReply();
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/EthernetCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/EthernetCustomizerTest.java
index f22ae1f3e..b9d512790 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/EthernetCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/EthernetCustomizerTest.java
@@ -31,9 +31,9 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.re
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.Ethernet;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.EthernetBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.Ethernet;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.EthernetBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class EthernetCustomizerTest extends WriterCustomizerTest {
@@ -87,4 +87,4 @@ public class EthernetCustomizerTest extends WriterCustomizerTest {
         return ethernet.build();
     }
 
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/GreCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/GreCustomizerTest.java
index edf2ad06b..912d43f67 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/GreCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/GreCustomizerTest.java
@@ -41,9 +41,9 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.Gre;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.GreBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.Gre;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.GreBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class GreCustomizerTest extends WriterCustomizerTest implements AddressTranslator {
@@ -68,7 +68,7 @@ public class GreCustomizerTest extends WriterCustomizerTest implements AddressTr
     @Override
     public void setUpTest() throws Exception {
         InterfaceTypeTestUtils.setupWriteContext(writeContext,
-            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.GreTunnel.class);
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.GreTunnel.class);
         customizer = new GreCustomizer(api, new NamingContext("generateInterfaceNAme", IFC_TEST_INSTANCE));
     }
 
@@ -185,4 +185,4 @@ public class GreCustomizerTest extends WriterCustomizerTest implements AddressTr
         }
         fail("WriteFailedException.DeleteFailedException was expected");
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/InterfaceRoutingCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/InterfaceRoutingCustomizerTest.java
index 5c14d9153..7b9f88ce2 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/InterfaceRoutingCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/InterfaceRoutingCustomizerTest.java
@@ -38,9 +38,9 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev14061
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4Builder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv6Builder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.AddressBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.Routing;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.RoutingBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.Routing;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.RoutingBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.VniReference;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
@@ -155,4 +155,4 @@ public class InterfaceRoutingCustomizerTest extends WriterCustomizerTest {
         request.vrfId = vrfId;
         return request;
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/InterfaceStatisticsEnableCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/InterfaceStatisticsEnableCustomizerTest.java
new file mode 100644
index 000000000..1608c9fa0
--- /dev/null
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/InterfaceStatisticsEnableCustomizerTest.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2019 PANTHEON.tech.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.v3po.interfaces;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+
+import io.fd.hc2vpp.common.test.write.WriterCustomizerTest;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.v3po.interfacesstate.cache.InterfaceCacheStatisticsDumpManager;
+import io.fd.vpp.jvpp.core.dto.WantPerInterfaceCombinedStats;
+import io.fd.vpp.jvpp.core.dto.WantPerInterfaceCombinedStatsReply;
+import org.junit.Assert;
+import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStatsCollectionAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.StatisticsCollection;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.StatisticsCollectionBuilder;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class InterfaceStatisticsEnableCustomizerTest extends WriterCustomizerTest {
+    private InterfaceStatisticsEnableCustomizer statCustomizer;
+    private static final String IFC_TEST_INSTANCE = "ifc-test-instance";
+
+    private NamingContext namingContext;
+
+    @Mock
+    private InterfaceCacheStatisticsDumpManager statManager;
+
+    @Override
+    public void setUpTest() throws Exception {
+        namingContext = new NamingContext("ifcintest", IFC_TEST_INSTANCE);
+        defineMapping(writeContext.getMappingContext(), "tap", 1, IFC_TEST_INSTANCE);
+        doReturn(future(new WantPerInterfaceCombinedStatsReply())).when(api).wantPerInterfaceCombinedStats(any());
+        statCustomizer = new InterfaceStatisticsEnableCustomizer(this.api, namingContext, statManager);
+    }
+
+    @Test
+    public void testEnableStatisticsCollection() throws Exception {
+        StatisticsCollectionBuilder statCollectionBuilder = new StatisticsCollectionBuilder();
+        statCollectionBuilder.setStatisticsEnabled(true);
+        statCustomizer.writeCurrentAttributes(getTapId("tap"), statCollectionBuilder.build(), writeContext);
+        verify(statManager).enableInterface(anyInt());
+        ArgumentCaptor<WantPerInterfaceCombinedStats> argument = ArgumentCaptor.forClass(WantPerInterfaceCombinedStats.class);
+        verify(api).wantPerInterfaceCombinedStats(argument.capture());
+        Assert.assertEquals(1, argument.getValue().enableDisable);
+    }
+
+    @Test
+    public void testDisableStatisticsCollection() throws Exception {
+        StatisticsCollectionBuilder statCollectionBuilder = new StatisticsCollectionBuilder();
+        statCollectionBuilder.setStatisticsEnabled(false);
+        statCustomizer.writeCurrentAttributes(getTapId("tap"), statCollectionBuilder.build(), writeContext);
+        verify(statManager).disableInterface(anyInt());
+        ArgumentCaptor<WantPerInterfaceCombinedStats> argument = ArgumentCaptor.forClass(WantPerInterfaceCombinedStats.class);
+        verify(api).wantPerInterfaceCombinedStats(argument.capture());
+        Assert.assertEquals(0, argument.getValue().enableDisable);
+    }
+
+    @Test
+    public void testDeleteStatisticsCollection() throws Exception {
+        StatisticsCollectionBuilder statCollectionBuilder = new StatisticsCollectionBuilder();
+        statCollectionBuilder.setStatisticsEnabled(true);
+        statCustomizer.deleteCurrentAttributes(getTapId("tap"), statCollectionBuilder.build(), writeContext);
+        verify(statManager).disableInterface(anyInt());
+        ArgumentCaptor<WantPerInterfaceCombinedStats> argument = ArgumentCaptor.forClass(WantPerInterfaceCombinedStats.class);
+        verify(api).wantPerInterfaceCombinedStats(argument.capture());
+        Assert.assertEquals(0, argument.getValue().enableDisable);
+    }
+
+    private InstanceIdentifier<StatisticsCollection> getTapId(final String tap) {
+        return InstanceIdentifier.create(Interfaces.class).child(Interface.class, new InterfaceKey(tap)).augmentation(
+                VppInterfaceStatsCollectionAugmentation.class).child(StatisticsCollection.class);
+    }
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/L2CustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/L2CustomizerTest.java
index 9697bfcc6..c257762ce 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/L2CustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/L2CustomizerTest.java
@@ -36,14 +36,14 @@ import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.L2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.L2Builder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.config.attributes.Interconnection;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.config.attributes.interconnection.BridgeBased;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.config.attributes.interconnection.BridgeBasedBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.config.attributes.interconnection.XconnectBased;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.config.attributes.interconnection.XconnectBasedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.L2;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.L2Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.config.attributes.Interconnection;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.config.attributes.interconnection.BridgeBased;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.config.attributes.interconnection.BridgeBasedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.config.attributes.interconnection.XconnectBased;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.config.attributes.interconnection.XconnectBasedBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class L2CustomizerTest extends WriterCustomizerTest implements ByteDataTranslator {
@@ -148,4 +148,4 @@ public class L2CustomizerTest extends WriterCustomizerTest implements ByteDataTr
     private L2 l2(final Interconnection interconnection) {
         return new L2Builder().setInterconnection(interconnection).build();
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/LoopbackCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/LoopbackCustomizerTest.java
index 20146ea85..d8618d9d2 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/LoopbackCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/LoopbackCustomizerTest.java
@@ -36,9 +36,9 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.Loopback;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.LoopbackBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.Loopback;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.LoopbackBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class LoopbackCustomizerTest extends WriterCustomizerTest {
@@ -49,7 +49,7 @@ public class LoopbackCustomizerTest extends WriterCustomizerTest {
     @Override
     public void setUpTest() throws Exception {
         InterfaceTypeTestUtils.setupWriteContext(writeContext,
-            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.Loopback.class);
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.Loopback.class);
         loopCustomizer = new LoopbackCustomizer(api, new NamingContext("ifcintest", IFC_TEST_INSTANCE));
     }
 
@@ -102,4 +102,4 @@ public class LoopbackCustomizerTest extends WriterCustomizerTest {
     private Loopback getLoopbackData(final String mac) {
         return new LoopbackBuilder().setMac(new PhysAddress(mac)).build();
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/SubInterfaceL2CustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/SubInterfaceL2CustomizerTest.java
index 82db7f9a9..8ea087b90 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/SubInterfaceL2CustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/SubInterfaceL2CustomizerTest.java
@@ -31,7 +31,7 @@ import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.config.attributes.interconnection.BridgeBasedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.config.attributes.interconnection.BridgeBasedBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev180319.SubinterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev180319.interfaces._interface.SubInterfaces;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev180319.interfaces._interface.sub.interfaces.SubInterface;
@@ -107,4 +107,4 @@ public class SubInterfaceL2CustomizerTest extends WriterCustomizerTest implement
         request.shg = 123;
         return request;
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/TapCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/TapCustomizerTest.java
index 1c89b073d..36948ac62 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/TapCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/TapCustomizerTest.java
@@ -38,9 +38,9 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.Tap;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.TapBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.Tap;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.TapBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class TapCustomizerTest extends WriterCustomizerTest {
@@ -51,7 +51,7 @@ public class TapCustomizerTest extends WriterCustomizerTest {
     @Override
     public void setUpTest() throws Exception {
         InterfaceTypeTestUtils.setupWriteContext(writeContext,
-            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.Tap.class);
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.Tap.class);
         tapCustomizer = new TapCustomizer(api, new NamingContext("ifcintest", IFC_TEST_INSTANCE));
     }
 
@@ -126,4 +126,4 @@ public class TapCustomizerTest extends WriterCustomizerTest {
     private Tap getTapData(final String tap, final String mac) {
         return new TapBuilder().setTapName(tap).setMac(new PhysAddress(mac)).build();
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/TapV2CustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/TapV2CustomizerTest.java
index 12dd43452..96a6c5fe1 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/TapV2CustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/TapV2CustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 Pantheon Technologies and/or its affiliates.
+ * Copyright (c) 2019 PANTHEON.tech.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,9 +43,9 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.TapV2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.TapV2Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.TapV2;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.TapV2Builder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class TapV2CustomizerTest extends WriterCustomizerTest
@@ -69,7 +69,7 @@ public class TapV2CustomizerTest extends WriterCustomizerTest
     @Override
     public void setUpTest() throws Exception {
         InterfaceTypeTestUtils.setupWriteContext(writeContext,
-                org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.TapV2.class);
+                org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.TapV2.class);
         tapCustomizer = new TapV2Customizer(api, new NamingContext("ifcintest", IFC_TEST_INSTANCE));
     }
 
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VhostUserCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VhostUserCustomizerTest.java
index 8f344ffbf..dae0d5834 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VhostUserCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VhostUserCustomizerTest.java
@@ -46,10 +46,10 @@ import org.mockito.ArgumentCaptor;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VhostUserRole;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.VhostUser;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.VhostUserBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VhostUserRole;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.VhostUser;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.VhostUserBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class VhostUserCustomizerTest extends WriterCustomizerTest implements Ipv4Translator {
@@ -71,7 +71,7 @@ public class VhostUserCustomizerTest extends WriterCustomizerTest implements Ipv
     @Override
     public void setUpTest() throws Exception {
         InterfaceTypeTestUtils.setupWriteContext(writeContext,
-                org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VhostUser.class);
+                org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VhostUser.class);
         customizer = new VhostUserCustomizer(api, new NamingContext("generatedInterfaceName", "test-instance"));
     }
 
@@ -202,4 +202,4 @@ public class VhostUserCustomizerTest extends WriterCustomizerTest implements Ipv
         }
         fail("WriteFailedException.DeleteFailedException was expected");
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VxlanCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VxlanCustomizerTest.java
index f1953f042..13a86cf94 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VxlanCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VxlanCustomizerTest.java
@@ -44,11 +44,11 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.L2Input;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VxlanVni;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.Vxlan;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.VxlanBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.L2Input;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VxlanVni;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.Vxlan;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.VxlanBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.VniReference;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
@@ -81,7 +81,7 @@ public class VxlanCustomizerTest extends WriterCustomizerTest implements Address
     @Override
     public void setUpTest() throws Exception {
         InterfaceTypeTestUtils.setupWriteContext(writeContext,
-                org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VxlanTunnel.class);
+                org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VxlanTunnel.class);
 
         customizer =
                 new VxlanCustomizer(api, new NamingContext("generateInterfaceNAme", "test-instance"), disableContext);
@@ -220,4 +220,4 @@ public class VxlanCustomizerTest extends WriterCustomizerTest implements Address
         }
         fail("WriteFailedException.DeleteFailedException was expected");
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VxlanGpeCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VxlanGpeCustomizerTest.java
index f0231119f..484885756 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VxlanGpeCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/VxlanGpeCustomizerTest.java
@@ -43,11 +43,11 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VxlanGpeNextProtocol;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VxlanGpeVni;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.VxlanGpe;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.VxlanGpeBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VxlanGpeNextProtocol;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VxlanGpeVni;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.VxlanGpe;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.VxlanGpeBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class VxlanGpeCustomizerTest extends WriterCustomizerTest implements AddressTranslator {
@@ -80,7 +80,7 @@ public class VxlanGpeCustomizerTest extends WriterCustomizerTest implements Addr
     @Override
     public void setUpTest() throws Exception {
         InterfaceTypeTestUtils.setupWriteContext(writeContext,
-            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VxlanGpeTunnel.class);
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VxlanGpeTunnel.class);
         NamingContext namingContext = new NamingContext("generateInterfaceName", "test-instance");
         customizer = new VxlanGpeCustomizer(api, namingContext, interfaceDisableContext);
 
@@ -207,4 +207,4 @@ public class VxlanGpeCustomizerTest extends WriterCustomizerTest implements Addr
         }
         fail("WriteFailedException.DeleteFailedException was expected");
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/span/MirroredInterfacesCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/span/MirroredInterfacesCustomizerTest.java
index 10b41f7fd..8ccb4acbe 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/span/MirroredInterfacesCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/span/MirroredInterfacesCustomizerTest.java
@@ -33,12 +33,12 @@ import org.mockito.Captor;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.SpanState;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.Span;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.span.attributes.MirroredInterfaces;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.span.attributes.mirrored.interfaces.MirroredInterface;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.span.attributes.mirrored.interfaces.MirroredInterfaceBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.SpanState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.Span;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.span.attributes.MirroredInterfaces;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.span.attributes.mirrored.interfaces.MirroredInterface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.span.attributes.mirrored.interfaces.MirroredInterfaceBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class MirroredInterfacesCustomizerTest extends WriterCustomizerTest {
@@ -111,4 +111,4 @@ public class MirroredInterfacesCustomizerTest extends WriterCustomizerTest {
         assertEquals(SRC_IFACE_INDEX, deleteRequest.swIfIndexFrom);
     }
 
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/AfPacketCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/AfPacketCustomizerTest.java
index 5f81c28b0..4049d88bf 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/AfPacketCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/AfPacketCustomizerTest.java
@@ -39,10 +39,10 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.AfPacket;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.AfPacketBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.AfPacket;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.AfPacketBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class AfPacketCustomizerTest extends InitializingReaderCustomizerTest<AfPacket, AfPacketBuilder>
@@ -100,9 +100,9 @@ public class AfPacketCustomizerTest extends InitializingReaderCustomizerTest<AfP
         final AfPacket operData = new AfPacketBuilder()
             .setHostInterfaceName(IF_NAME)
             .setMac(new PhysAddress("11:22:33:44:55:66")).build();
-        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.AfPacket
+        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.AfPacket
             cfgData =
-            new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.AfPacketBuilder()
+            new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.AfPacketBuilder()
                 .setHostInterfaceName(IF_NAME)
                 .setMac(new PhysAddress("11:22:33:44:55:66")).build();
         invokeInitTest(IID, operData, getCfgId(IID), cfgData);
@@ -124,4 +124,4 @@ public class AfPacketCustomizerTest extends InitializingReaderCustomizerTest<AfP
         reply.afPacketDetails = Collections.singletonList(details0);
         return reply;
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/EthernetCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/EthernetCustomizerTest.java
index e7a1599c3..3fcf0d675 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/EthernetCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/EthernetCustomizerTest.java
@@ -33,11 +33,11 @@ import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.EthernetStateAttributes;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.Ethernet;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.EthernetBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.EthernetStateAttributes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.Ethernet;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.EthernetBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class EthernetCustomizerTest extends ReaderCustomizerTest<Ethernet, EthernetBuilder> implements
@@ -95,4 +95,4 @@ public class EthernetCustomizerTest extends ReaderCustomizerTest<Ethernet, Ether
     public void testReadFullDuplex() throws ReadFailedException {
         testRead(2, EthernetStateAttributes.Duplex.Full);
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/GreCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/GreCustomizerTest.java
index 935ef9e19..d1436a31f 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/GreCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/GreCustomizerTest.java
@@ -42,10 +42,10 @@ import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.Gre;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.GreBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.Gre;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.GreBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class GreCustomizerTest extends ReaderCustomizerTest<Gre, GreBuilder> implements AddressTranslator {
@@ -122,4 +122,4 @@ public class GreCustomizerTest extends ReaderCustomizerTest<Gre, GreBuilder> imp
     protected ReaderCustomizer<Gre, GreBuilder> initCustomizer() {
         return new GreCustomizer(api, interfacesContext, dumpCacheManager);
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceDataTranslatorTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceDataTranslatorTest.java
index a3864e583..7c9be3f98 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceDataTranslatorTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceDataTranslatorTest.java
@@ -32,12 +32,12 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.re
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.AfPacket;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.Tap;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.TapV2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VhostUser;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VxlanGpeTunnel;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VxlanTunnel;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.AfPacket;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.Tap;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.TapV2;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VhostUser;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VxlanGpeTunnel;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VxlanTunnel;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class InterfaceDataTranslatorTest implements InterfaceDataTranslator {
@@ -104,4 +104,4 @@ public class InterfaceDataTranslatorTest implements InterfaceDataTranslator {
     }
 
 
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceRoutingCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceRoutingCustomizerTest.java
index 11c35d3b0..89508e9be 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceRoutingCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceRoutingCustomizerTest.java
@@ -30,10 +30,10 @@ import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.Routing;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.RoutingBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.Routing;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.RoutingBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.VniReference;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
@@ -91,4 +91,4 @@ public class InterfaceRoutingCustomizerTest extends ReaderCustomizerTest<Routing
         reply.vrfId = vrfId.intValue();
         return reply;
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceStatisticsCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceStatisticsCustomizerTest.java
new file mode 100644
index 000000000..549d82105
--- /dev/null
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceStatisticsCustomizerTest.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2019 PANTHEON.tech.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.v3po.interfacesstate;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import io.fd.hc2vpp.common.test.read.ReaderCustomizerTest;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.v3po.interfacesstate.cache.InterfaceCacheStatisticsDumpManager;
+import io.fd.hc2vpp.v3po.interfacesstate.cache.InterfaceCacheStatisticsSample;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.vpp.jvpp.core.dto.VnetPerInterfaceCombinedCounters;
+import io.fd.vpp.jvpp.core.types.VnetCombinedCounter;
+import java.math.BigInteger;
+import java.time.LocalDateTime;
+import org.junit.Assert;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state._interface.Statistics;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state._interface.StatisticsBuilder;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class InterfaceStatisticsCustomizerTest extends ReaderCustomizerTest<Statistics, StatisticsBuilder> {
+
+    private static final String IFC_CTX_NAME = "ifc-test-instance";
+    private static final String IF_NAME = "tap";
+    private static final int RX_BROADCAST_P = 8;
+    private static final int RX_MULTICAST_P = 7;
+    private static final int RX_UNICAST_P = 6;
+    private static final int RX_BYTES = 1000;
+    private static final int TX_BROADCAST_P = 88;
+    private static final int TX_MULTICAST_P = 77;
+    private static final int TX_UNICAST_P = 66;
+    private static final int TX_BYTES = 1100;
+
+    private NamingContext namingContext;
+    private static final InstanceIdentifier<Statistics> IID =
+            InstanceIdentifier.create(InterfacesState.class).child(Interface.class, new InterfaceKey(IF_NAME))
+                    .child(Statistics.class);
+    @Mock
+    private InterfaceCacheStatisticsDumpManager statManager;
+
+
+    public InterfaceStatisticsCustomizerTest() {
+        super(Statistics.class, InterfaceBuilder.class);
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        namingContext = new NamingContext("generatedIfaceName", IFC_CTX_NAME);
+        defineMapping(mappingContext, IF_NAME, 1, IFC_CTX_NAME);
+    }
+
+    @Override
+    protected ReaderCustomizer<Statistics, StatisticsBuilder> initCustomizer() {
+        return new InterfaceStatisticsCustomizer(namingContext, statManager);
+    }
+
+    @Test
+    public void testRead() throws ReadFailedException {
+        when(statManager.getStatisticsData(anyInt())).thenReturn(
+                (new InterfaceCacheStatisticsSample(getDummyPerIfcCombinedCounters(), LocalDateTime.now())));
+        StatisticsBuilder builder = new StatisticsBuilder();
+        getCustomizer().readCurrentAttributes(IID, builder, ctx);
+        verify(statManager).getStatisticsData(anyInt());
+        Assert.assertEquals(BigInteger.valueOf(TX_BROADCAST_P), builder.getOutBroadcastPkts().getValue());
+        Assert.assertEquals(BigInteger.valueOf(TX_MULTICAST_P), builder.getOutMulticastPkts().getValue());
+        Assert.assertEquals(BigInteger.valueOf(TX_UNICAST_P), builder.getOutUnicastPkts().getValue());
+        Assert.assertEquals(BigInteger.valueOf(TX_BYTES), builder.getOutOctets().getValue());
+        Assert.assertEquals(BigInteger.valueOf(RX_BROADCAST_P), builder.getInBroadcastPkts().getValue());
+        Assert.assertEquals(BigInteger.valueOf(RX_MULTICAST_P), builder.getInMulticastPkts().getValue());
+        Assert.assertEquals(BigInteger.valueOf(RX_UNICAST_P), builder.getInUnicastPkts().getValue());
+        Assert.assertEquals(BigInteger.valueOf(RX_BYTES), builder.getInOctets().getValue());
+    }
+
+    @Test
+    public void testReadFailed() throws ReadFailedException {
+        when(statManager.getStatisticsData(anyInt())).thenReturn(null);
+        StatisticsBuilder builder = new StatisticsBuilder();
+        getCustomizer().readCurrentAttributes(IID, builder, ctx);
+        Assert.assertEquals(BigInteger.ZERO, builder.getInUnicastPkts().getValue());
+    }
+
+    private VnetPerInterfaceCombinedCounters getDummyPerIfcCombinedCounters() {
+        VnetPerInterfaceCombinedCounters counters = new VnetPerInterfaceCombinedCounters();
+        counters.count = 1;
+        counters.timestamp = 1;
+        VnetCombinedCounter data = new VnetCombinedCounter();
+        data.rxBroadcastPackets = RX_BROADCAST_P;
+        data.rxMulticastPackets = RX_MULTICAST_P;
+        data.rxUnicastPackets = RX_UNICAST_P;
+        data.rxBytes = RX_BYTES;
+        data.txBroadcastPackets = TX_BROADCAST_P;
+        data.txMulticastPackets = TX_MULTICAST_P;
+        data.txUnicastPackets = TX_UNICAST_P;
+        data.txBytes = TX_BYTES;
+        counters.data = new VnetCombinedCounter[]{data};
+        return counters;
+    }
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/L2CustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/L2CustomizerTest.java
index a1a08a4f6..445146cc1 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/L2CustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/L2CustomizerTest.java
@@ -39,12 +39,12 @@ import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.L2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.L2Builder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.state.attributes.Interconnection;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.state.attributes.interconnection.BridgeBasedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.L2;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.L2Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.state.attributes.Interconnection;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.state.attributes.interconnection.BridgeBasedBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class L2CustomizerTest extends ReaderCustomizerTest<L2, L2Builder> {
@@ -157,4 +157,4 @@ public class L2CustomizerTest extends ReaderCustomizerTest<L2, L2Builder> {
         bridgeDomainDetails.swIfDetails = new BridgeDomainSwIf[]{generateBdSwIfDetails(ifId)};
         return bridgeDomainDetails;
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/TapCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/TapCustomizerTest.java
index 11d8ab8da..9af46d3ec 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/TapCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/TapCustomizerTest.java
@@ -35,10 +35,10 @@ import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.Tap;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.TapBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.Tap;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.TapBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class TapCustomizerTest extends ReaderCustomizerTest<Tap, TapBuilder> implements InterfaceDumpHelper {
@@ -101,4 +101,4 @@ public class TapCustomizerTest extends ReaderCustomizerTest<Tap, TapBuilder> imp
         reply.swInterfaceTapDetails.add(details);
         return reply;
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/TapV2CustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/TapV2CustomizerTest.java
index ee77afc82..7fd671164 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/TapV2CustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/TapV2CustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 Pantheon Technologies and/or its affiliates.
+ * Copyright (c) 2019 PANTHEON.tech.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,10 +43,10 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.TapV2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.TapV2Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.TapV2;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.TapV2Builder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class TapV2CustomizerTest extends ReaderCustomizerTest<TapV2, TapV2Builder> implements InterfaceDumpHelper,
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VhostUserCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VhostUserCustomizerTest.java
index b67ad4a3b..abda2adf9 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VhostUserCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VhostUserCustomizerTest.java
@@ -36,11 +36,11 @@ import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VhostUserRole;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.VhostUser;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.VhostUserBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VhostUserRole;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.VhostUser;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.VhostUserBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class VhostUserCustomizerTest extends ReaderCustomizerTest<VhostUser, VhostUserBuilder> implements
@@ -118,4 +118,4 @@ public class VhostUserCustomizerTest extends ReaderCustomizerTest<VhostUser, Vho
         verify(builder).setVirtioNetHdrSize(4L);
         verify(builder).setConnectError("5");
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VxlanCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VxlanCustomizerTest.java
index a3bcd212f..ef06e9299 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VxlanCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VxlanCustomizerTest.java
@@ -42,11 +42,11 @@ import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.L2Input;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.Vxlan;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.VxlanBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.L2Input;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.Vxlan;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.VxlanBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class VxlanCustomizerTest extends ReaderCustomizerTest<Vxlan, VxlanBuilder> {
@@ -152,4 +152,4 @@ public class VxlanCustomizerTest extends ReaderCustomizerTest<Vxlan, VxlanBuilde
         replyDump.vxlanTunnelDetails = Lists.newArrayList(vxlanTunnelDetails);
         return replyDump;
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VxlanGpeCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VxlanGpeCustomizerTest.java
index 9efb943e6..15e09d8de 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VxlanGpeCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/VxlanGpeCustomizerTest.java
@@ -43,10 +43,10 @@ import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.VxlanGpe;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.VxlanGpeBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.VxlanGpe;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.VxlanGpeBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class VxlanGpeCustomizerTest extends ReaderCustomizerTest<VxlanGpe, VxlanGpeBuilder>
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/span/MirroredInterfacesCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/span/MirroredInterfacesCustomizerTest.java
index 6798ce685..69271af7a 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/span/MirroredInterfacesCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/span/MirroredInterfacesCustomizerTest.java
@@ -32,15 +32,15 @@ import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.SpanState;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.Span;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces.state._interface.SpanBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.span.state.attributes.MirroredInterfaces;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.span.state.attributes.MirroredInterfacesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.span.state.attributes.mirrored.interfaces.MirroredInterface;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.span.state.attributes.mirrored.interfaces.MirroredInterfaceBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.span.state.attributes.mirrored.interfaces.MirroredInterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.SpanState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.Span;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces.state._interface.SpanBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.span.state.attributes.MirroredInterfaces;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.span.state.attributes.MirroredInterfacesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.span.state.attributes.mirrored.interfaces.MirroredInterface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.span.state.attributes.mirrored.interfaces.MirroredInterfaceBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.span.state.attributes.mirrored.interfaces.MirroredInterfaceKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 
@@ -126,4 +126,4 @@ public class MirroredInterfacesCustomizerTest
     protected ReaderCustomizer<MirroredInterfaces, MirroredInterfacesBuilder> initCustomizer() {
         return new InterfaceMirroredInterfacesCustomizer(api, interfaceContext);
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/ArpTerminationTableEntryCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/ArpTerminationTableEntryCustomizerTest.java
index aba48fd58..807a99328 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/ArpTerminationTableEntryCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/ArpTerminationTableEntryCustomizerTest.java
@@ -43,13 +43,13 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.BridgeDomains;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domain.attributes.ArpTerminationTable;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domain.attributes.arp.termination.table.ArpTerminationTableEntry;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domain.attributes.arp.termination.table.ArpTerminationTableEntryBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domain.attributes.arp.termination.table.ArpTerminationTableEntryKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.BridgeDomain;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.BridgeDomainKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.BridgeDomains;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domain.attributes.ArpTerminationTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domain.attributes.arp.termination.table.ArpTerminationTableEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domain.attributes.arp.termination.table.ArpTerminationTableEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domain.attributes.arp.termination.table.ArpTerminationTableEntryKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.BridgeDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.BridgeDomainKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class ArpTerminationTableEntryCustomizerTest extends WriterCustomizerTest {
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/BridgeDomainCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/BridgeDomainCustomizerTest.java
index c51097955..20c7ab2ae 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/BridgeDomainCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/BridgeDomainCustomizerTest.java
@@ -38,14 +38,14 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesBuilder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.BridgeDomains;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.VppInterfaceAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.BridgeDomain;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.BridgeDomainBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.BridgeDomainKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.L2Builder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.config.attributes.interconnection.BridgeBasedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.BridgeDomains;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.VppInterfaceAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.BridgeDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.BridgeDomainBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.BridgeDomainKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.interfaces._interface.L2Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.config.attributes.interconnection.BridgeBasedBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
 
@@ -335,4 +335,4 @@ public class BridgeDomainCustomizerTest extends WriterCustomizerTest implements
         fail("IllegalStateException was expected");
     }
 
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizerTest.java
index 6340e4cba..0390ac280 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizerTest.java
@@ -35,15 +35,15 @@ import io.fd.vpp.jvpp.core.dto.L2FibAddDelReply;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.BridgeDomains;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.L2FibFilter;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.L2FibForward;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.BridgeDomain;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.BridgeDomainKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.fib.attributes.L2FibTable;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.fib.attributes.l2.fib.table.L2FibEntry;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.fib.attributes.l2.fib.table.L2FibEntryBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.fib.attributes.l2.fib.table.L2FibEntryKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.BridgeDomains;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.L2FibFilter;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.L2FibForward;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.BridgeDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.BridgeDomainKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.fib.attributes.L2FibTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.fib.attributes.l2.fib.table.L2FibEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.fib.attributes.l2.fib.table.L2FibEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.fib.attributes.l2.fib.table.L2FibEntryKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class L2FibEntryCustomizerTest extends WriterCustomizerTest {
@@ -281,4 +281,4 @@ public class L2FibEntryCustomizerTest extends WriterCustomizerTest {
         }
         fail("WriteFailedException.DeleteFailedException was expected");
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/BridgeDomainCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/BridgeDomainCustomizerTest.java
index 265cd34a5..6624a1987 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/BridgeDomainCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/BridgeDomainCustomizerTest.java
@@ -19,10 +19,10 @@ package io.fd.hc2vpp.v3po.l2state;
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.BridgeDomainsStateBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.state.BridgeDomain;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.state.BridgeDomainBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.state.BridgeDomainKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.BridgeDomainsStateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.state.BridgeDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.state.BridgeDomainBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.state.BridgeDomainKey;
 
 
 public class BridgeDomainCustomizerTest
@@ -45,4 +45,4 @@ public class BridgeDomainCustomizerTest
     protected ReaderCustomizer<BridgeDomain, BridgeDomainBuilder> initCustomizer() {
         return new BridgeDomainCustomizer(api, bdContext);
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/L2FibEntryCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/L2FibEntryCustomizerTest.java
index 037c3257b..ff22e338d 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/L2FibEntryCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/L2FibEntryCustomizerTest.java
@@ -34,15 +34,15 @@ import java.util.List;
 import java.util.concurrent.ExecutionException;
 import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.BridgeDomainsState;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.L2FibForward;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.state.BridgeDomain;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.state.BridgeDomainKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.fib.attributes.L2FibTable;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.fib.attributes.L2FibTableBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.fib.attributes.l2.fib.table.L2FibEntry;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.fib.attributes.l2.fib.table.L2FibEntryBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.l2.fib.attributes.l2.fib.table.L2FibEntryKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.BridgeDomainsState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.L2FibForward;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.state.BridgeDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.state.BridgeDomainKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.fib.attributes.L2FibTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.fib.attributes.L2FibTableBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.fib.attributes.l2.fib.table.L2FibEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.fib.attributes.l2.fib.table.L2FibEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.l2.fib.attributes.l2.fib.table.L2FibEntryKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class L2FibEntryCustomizerTest extends ListReaderCustomizerTest<L2FibEntry, L2FibEntryKey, L2FibEntryBuilder> {
@@ -121,4 +121,4 @@ public class L2FibEntryCustomizerTest extends ListReaderCustomizerTest<L2FibEntr
         assertEquals(1, ids.size());
         assertEquals(address, ids.get(0).getPhysAddress());
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/L2StateTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/L2StateTest.java
index c0ff2662b..907496cb8 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/L2StateTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/l2state/L2StateTest.java
@@ -52,11 +52,11 @@ import javax.annotation.Nonnull;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mock;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.BridgeDomainsState;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.BridgeDomainsStateBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.state.BridgeDomain;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.state.BridgeDomainBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.bridge.domains.state.BridgeDomainKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.BridgeDomainsState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.BridgeDomainsStateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.state.BridgeDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.state.BridgeDomainBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.bridge.domains.state.BridgeDomainKey;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
@@ -214,4 +214,4 @@ public class L2StateTest implements FutureProducer, NamingContextHelper {
         readerRegistry.read(InstanceIdentifier.create(BridgeDomainsState.class).child(
             BridgeDomain.class, new BridgeDomainKey(nonExistingBdName)), ctx);
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/notification/InterfaceChangeNotificationProducerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/notification/InterfaceChangeNotificationProducerTest.java
index 272d38dd8..5a450cfea 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/notification/InterfaceChangeNotificationProducerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/notification/InterfaceChangeNotificationProducerTest.java
@@ -38,8 +38,8 @@ import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.InterfaceStateChange;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.InterfaceStatus;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.InterfaceStateChange;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.InterfaceStatus;
 
 public class InterfaceChangeNotificationProducerTest implements FutureProducer, NamingContextHelper {
 
@@ -109,4 +109,4 @@ public class InterfaceChangeNotificationProducerTest implements FutureProducer,
         assertEquals(InterfaceStatus.Up, notificationCaptor.getValue().getAdminStatus());
         assertEquals(InterfaceStatus.Up, notificationCaptor.getValue().getOperStatus());
     }
-}
\ No newline at end of file
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/notification/StatisticsChangeNotificationProducerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/notification/StatisticsChangeNotificationProducerTest.java
new file mode 100644
index 000000000..689b4e49b
--- /dev/null
+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/notification/StatisticsChangeNotificationProducerTest.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2019 PANTHEON.tech.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.v3po.notification;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+
+import io.fd.hc2vpp.common.test.util.FutureProducer;
+import io.fd.hc2vpp.common.test.util.NamingContextHelper;
+import io.fd.hc2vpp.v3po.interfacesstate.cache.InterfaceCacheStatisticsDumpManager;
+import io.fd.honeycomb.notification.NotificationCollector;
+import io.fd.honeycomb.translate.MappingContext;
+import io.fd.vpp.jvpp.core.callback.VnetPerInterfaceCombinedCountersCallback;
+import io.fd.vpp.jvpp.core.dto.VnetPerInterfaceCombinedCounters;
+import io.fd.vpp.jvpp.core.dto.WantPerInterfaceCombinedStats;
+import io.fd.vpp.jvpp.core.dto.WantPerInterfaceCombinedStatsReply;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import io.fd.vpp.jvpp.core.notification.CoreEventRegistry;
+import io.fd.vpp.jvpp.core.types.VnetCombinedCounter;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.InterfaceStatisticsChange;
+
+public class StatisticsChangeNotificationProducerTest implements FutureProducer, NamingContextHelper {
+    private static final String IFC_CTX_NAME = "ifc-test-instance";
+    private static final String IFACE_NAME = "local0";
+    private static final int IFACE_ID = 0;
+    private static final long RX_BROAD_PKTS = 8;
+    private static final long RX_MULTI_PKTS = 7;
+    private static final long TX_BROAD_PKTS = 6;
+    private static final long TX_MULTI_PKTS = 5;
+
+    @Mock
+    private FutureJVppCore jVpp;
+    @Mock
+    private MappingContext mappingContext;
+    @Mock
+    private NotificationCollector collector;
+    @Mock
+    private CoreEventRegistry notificationRegistry;
+    @Mock
+    private AutoCloseable notificationListenerReg;
+    @Mock
+    private InterfaceCacheStatisticsDumpManager statManager;
+
+    private ArgumentCaptor<VnetPerInterfaceCombinedCountersCallback> callbackArgumentCaptor;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        doReturn(notificationRegistry).when(jVpp).getEventRegistry();
+        callbackArgumentCaptor = ArgumentCaptor.forClass(VnetPerInterfaceCombinedCountersCallback.class);
+        doReturn(notificationListenerReg).when(notificationRegistry).registerVnetPerInterfaceCombinedCountersCallback(
+                callbackArgumentCaptor.capture());
+        defineMapping(mappingContext, IFACE_NAME, IFACE_ID, IFC_CTX_NAME);
+        doReturn(future(new WantPerInterfaceCombinedStatsReply())).when(jVpp)
+                .wantPerInterfaceCombinedStats(any(WantPerInterfaceCombinedStats.class));
+        doReturn(new int[]{1}).when(statManager).getEnabledInterfaces();
+    }
+
+    @Test
+    public void testStartStop() throws Exception {
+        final StatisticsChangeNotificationProducer statisticsNotificationProducer =
+                new StatisticsChangeNotificationProducer(jVpp, statManager);
+
+        statisticsNotificationProducer.start(collector);
+        verify(jVpp).getEventRegistry();
+        verify(notificationRegistry).registerVnetPerInterfaceCombinedCountersCallback(any(
+                VnetPerInterfaceCombinedCountersCallback.class));
+
+        statisticsNotificationProducer.stop();
+        verify(jVpp).wantPerInterfaceCombinedStats(any(WantPerInterfaceCombinedStats.class));
+        verify(notificationListenerReg).close();
+    }
+
+    @Test
+    public void testNotification() throws Exception {
+        final StatisticsChangeNotificationProducer statisticsChangeNotificationProducer =
+                new StatisticsChangeNotificationProducer(jVpp, statManager);
+
+        statisticsChangeNotificationProducer.start(collector);
+
+        final VnetPerInterfaceCombinedCounters interfaceSetStatsNotification = new VnetPerInterfaceCombinedCounters();
+        VnetCombinedCounter vnetData = new VnetCombinedCounter();
+        vnetData.swIfIndex = 1;
+        vnetData.rxBroadcastPackets = RX_BROAD_PKTS;
+        vnetData.rxMulticastPackets = RX_MULTI_PKTS;
+        vnetData.txBroadcastPackets = TX_BROAD_PKTS;
+        vnetData.txMulticastPackets = TX_MULTI_PKTS;
+        interfaceSetStatsNotification.data = new VnetCombinedCounter[]{vnetData};
+        interfaceSetStatsNotification.count = 1;
+        interfaceSetStatsNotification.timestamp = 1;
+
+        callbackArgumentCaptor.getValue().onVnetPerInterfaceCombinedCounters(interfaceSetStatsNotification);
+        final ArgumentCaptor<InterfaceStatisticsChange> notificationCaptor =
+                ArgumentCaptor.forClass(InterfaceStatisticsChange.class);
+        verify(collector).onNotification(notificationCaptor.capture());
+
+        assertEquals(RX_BROAD_PKTS, notificationCaptor.getValue().getInBroadcastPkts().getValue().longValue());
+        assertEquals(RX_MULTI_PKTS, notificationCaptor.getValue().getInMulticastPkts().getValue().longValue());
+        assertEquals(TX_BROAD_PKTS, notificationCaptor.getValue().getOutBroadcastPkts().getValue().longValue());
+        assertEquals(TX_MULTI_PKTS, notificationCaptor.getValue().getOutMulticastPkts().getValue().longValue());
+    }
+}