Monit container_checker swss/syncd/teamd containers not running error in supervisor

[SuvarnaMeenakshi]

Description

Steps to reproduce the issue:

1. Bringup chassis with n-asic sup , where few asics are not present.
2. swss/syncd/teamd services will come up in namespace corresponding to the asics that are available.
3. for the asics that are NOT available, swss/syncd/teamd service will come up, but dockers will not be up as asic is not present.
4. systemctl service will be in "active" state:

sudo systemctl status swss@<n>
â—� swss@<n>.service - switch state service
     Loaded: loaded (/lib/systemd/system/swss@.service; enabled; vendor preset: enabled)
    Drop-In: /etc/systemd/system/swss@<n>.service.d
             └─auto_restart.conf
     Active: active (running) since Mon 2022-03-07 19:38:55 UTC; 13min ago
    Process: 3905339 ExecStartPre=/usr/local/bin/swss.sh start <n> (code=exited, status=0/SUCCESS)
   Main PID: 3906818 (swss.sh)
      Tasks: 2 (limit: 38087)
     Memory: 11.7M
     CGroup: /system.slice/system-swss.slice/swss@<n>.service
             ├─3906818 /bin/bash /usr/local/bin/swss.sh wait <n>
             └─3906832 python3 /usr/local/bin/asic_status.py swss <n>
             

Describe the results you received:

Syslog contains:
ERR monit[3108314]: 'container_checker' status failed (3) -- Expected containers not running: swss, syncd, teamd
Also, affects the test_container_checker test case.

Describe the results you expected:

monit should not complain about the swss/syncd/teamd containers of the asics which are not present.

Output of show version:

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Output of show techsupport:

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

[prsunny]

@abdosi to triage and identify next steps for this issue.

[SuvarnaMeenakshi]

PR raised to fix #11442