fix(gso): Repair linux interface name detection

+ Set GSO_FALSE tag on non-gso suite.

Change-Id: I32b6ff2f492a0dd8f2fe47ef5435c8d0e3318406
Signed-off-by: Vratko Polak <vrpolak@cisco.com>

1 files changed, 4 insertions, 8 deletions

diff --git a/resources/libraries/python/IPUtil.py b/resources/libraries/python/IPUtil.py
index d7996ccf79..672aa1ae3c 100644
--- a/resources/libraries/python/IPUtil.py
+++ b/resources/libraries/python/IPUtil.py
@@ -394,16 +394,12 @@ class IPUtil:
         :raises RuntimeError: If cannot get the information about interfaces.
         """
         cmd = f"grep '{pci_addr}' /sys/class/net/*/device/uevent"
-        ret_code, stdout, stderr = exec_cmd(node, cmd, timeout=30)
-        if ret_code != 0:
-            return None
-
+        msg = "Could not get information about interfaces"
+        stdout, stderr = exec_cmd_no_error(node, cmd, timeout=30, err_msg=msg)
         try:
-            stdout.split("/")[4]
+            return stdout.split("/")[4]
         except IndexError:
-            raise RuntimeError(
-                f"Could not get information about interfaces:\n{stderr}"
-            )
+            raise RuntimeError(f"{msg}:\n{stderr}")
 
     @staticmethod
     def set_linux_interface_up(