TestVl3_dns is not stable

[glazychev-art]

Description

vl3_dns test uses 2 vl3-NSEs and 4 NSCs. But not all clients can ping each other using DNS.

Logs

...
PING alpine-794d887554-v2htw.my-vl3-network (169.254.0.1): 56 data bytes
64 bytes from 169.254.0.1: seq=0 ttl=60 time=131.168 ms
64 bytes from 169.254.0.1: seq=1 ttl=60 time=51.264 ms
64 bytes from 169.254.0.1: seq=2 ttl=60 time=63.164 ms
64 bytes from 169.254.0.1: seq=3 ttl=60 time=119.016 ms
--- alpine-794d887554-v2htw.my-vl3-network ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 51.264/91.153/131.168 ms TestRunFeatureSuiteSingle/TestVl3_dns=stdout
time=2022-07-15T16:39:18Z level=info msg=Defaulted container "alpine" out of: alpine, cmd-nsc, coredns, cmd-nsc-init (init)
Defaulted container "alpine" out of: alpine, cmd-nsc, coredns, cmd-nsc-init (init)
ping: bad address 'alpine-794d887554-46zb9.my-vl3-network'
command terminated with exit code 1
...

Build

https://github.com/networkservicemesh/integration-k8s-kind/runs/7360864431?check_suite_focus=true

[denis-tingaikin]

Seems like fixed