[Smartswitch] Orchagent is crashing when the MGMT_VRF is enabled

[vivekrnv]

Description

When the MGMT_VRF_CONFIG is present, zmq_bind fails in orchagent and aborts. Seen on smartswitch platforms

Steps to reproduce the issue:

1. Add the MGMT_VRF config

"MGMT_VRF_CONFIG": {"vrf_global": {
       "mgmtVrfEnabled": "true"}}

2. Do config reload or reboot

or run the following test test_syslog_config_work_after_reboot

Describe the results you received:

Jul  8 16:09:52.748231 r-smartswitch-03 ERR swss#orchagent: :- mqPollThread: zmq_bind failed on endpoint: tcp://10.210.25.4:8100, zmqerrno: 99

Describe the results you expected:

Output of show version:

(paste your output here)

Output of show techsupport:

(paste your output here or download and attach the file here )

Additional information you deem important (e.g. issue happens only occasionally):

[vivekrnv]

@liuh-80 @Pterosaur @prsunny Please check

[vivekrnv]

https://github.com/sonic-net/sonic-buildimage/blob/master/dockers/docker-orchagent/orchagent.sh#L87

[judyjoseph]

@liuh-80 could you take a look at this issue

[liuh-80]

will check and fix the issue soon

[liuh-80]

The root cause of this issue is because currently ZMQ not bind to VRF by ZMQ_BINDTODEVICE when VRF enabled:
https://libzmq.readthedocs.io/en/latest/zmq_setsockopt.html
This need code change in sonic-swss-common/sonic-gnmi/sonic-buildimage.

Need 4 PRs to fix this issue:

Repo	PR
sonic-swss-common	sonic-net/sonic-swss-common#920
sonic-swss	sonic-net/sonic-swss#3299
sonic-gnmi	sonic-net/sonic-gnmi#290
sonic-buildimage	#20345