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-rw-r--r--test/util.py8
1 files changed, 5 insertions, 3 deletions
diff --git a/test/util.py b/test/util.py
index 5ce84070a87..fc0ebd73500 100644
--- a/test/util.py
+++ b/test/util.py
@@ -2,18 +2,19 @@
import abc
import socket
+from socket import AF_INET6
import six
import sys
import os.path
-from scapy.utils6 import in6_mactoifaceid
from scapy.layers.l2 import Ether
-from scapy.packet import Raw
from scapy.layers.inet import IP
from scapy.layers.inet6 import IPv6, IPv6ExtHdrFragment, IPv6ExtHdrRouting,\
IPv6ExtHdrHopByHop
+from scapy.packet import Raw
from scapy.utils import hexdump
-from socket import AF_INET6
+from scapy.utils6 import in6_mactoifaceid
+
from io import BytesIO
from vpp_papi import mac_pton
@@ -54,6 +55,7 @@ def ip4n_range(ip4n, s, e):
for ip in ip4_range(ip4, s, e))
+# wrapper around scapy library function.
def mk_ll_addr(mac):
euid = in6_mactoifaceid(mac)
addr = "fe80::" + euid