Add/Remove Hot plug interface on VM1/VM2 does not resume ping traffic on any VM in the same host in LNT Feature

[stadju]

Scenario 1:

Create vhost-user ports using gnmi cli Hotplug add/del port to the VM multiple times Create physical ports and TAP ports Follow remaining LNT procedure. Ping works in scenario 1 between 2 VMs.

Scenario 2:

Create the ports hotplug port to VM, set pipeline (follow complete LNT procedure) Check overlay and underlay ping traffic Delete the hotplugged port Hotplug add the port Check the ping again In scenario 2, ping doesn't work.