[[supervisor][show][interfaces]show interfaces command shows warning on Supervisor card

[mlok-nokia]

Description

On Supervisor card, execute CLI "show interfaces status" command. A warning message "Warning: failed to retrieve PORT table from ConfigDB!" is displayed since there is NO port interfaces on supervisor card

Steps to reproduce the issue

1. login to supervisor card.
2. execute the CLI command "show interfaces status"

Describe the results you received

admin@supervisor:~$ show interfaces status
Warning: failed to retrieve PORT table from ConfigDB!
Warning: failed to retrieve PORT table from ConfigDB!
  Interface    Lanes    Speed    MTU    FEC    Alias    Vlan    Oper    Admin    Type    Asym PFC
-----------  -------  -------  -----  -----  -------  ------  ------  -------  ------  ----------

Describe the results you expected

admin@supervisor:~$ show interfaces status
  Interface    Lanes    Speed    MTU    FEC    Alias    Vlan    Oper    Admin    Type    Asym PFC
-----------  -------  -------  -----  -----  -------  ------  ------  -------  ------  ----------

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

Output of show version

Based on commit 888701b67fd
It seems the issue still exists in the latest github code

[mlok-nokia]

open a new issue in sonic-buildimage: sonic-net/sonic-buildimage#8521