Endless LLDP warning messages when removing a port

[dprital]

Description

When we add and remove a port in a loop we can reach to a situation where a warning message is keep appearing on syslog:

Jul 27 14:16:54.054777 r-anaconda-15 WARNING lldp#lldpmgrd[32]: Command failed 'lldpcli configure ports Ethernet18 lldp portidsubtype local etp5b': 2021-07-27T14:16:54 [WARN/lldpctl] cannot find port Ethernet18
Jul 27 14:16:54.062649 r-anaconda-15 WARNING lldp#lldpmgrd[32]: Command failed 'lldpcli configure ports Ethernet18 lldp portidsubtype local etp5b': 2021-07-27T14:16:54 [WARN/lldpctl] cannot find port Ethernet18
Jul 27 14:16:54.071074 r-anaconda-15 WARNING lldp#lldpmgrd[32]: Command failed 'lldpcli configure ports Ethernet14 lldp portidsubtype local etp4b': 2021-07-27T14:16:54 [WARN/lldpctl] cannot find port Ethernet14
Jul 27 14:16:54.080446 r-anaconda-15 WARNING lldp#lldpmgrd[32]: Command failed 'lldpcli configure ports Ethernet18 lldp portidsubtype local etp5b': 2021-07-27T14:16:54 [WARN/lldpctl] cannot find port Ethernet18
Jul 27 14:16:54.089640 r-anaconda-15 WARNING lldp#lldpmgrd[32]: Command failed 'lldpcli configure ports Ethernet14 lldp portidsubtype local etp4b': 2021-07-27T14:16:54 [WARN/lldpctl] cannot find port Ethernet14
we can recover this by removing the port and create it back again or restarting the lldp docker

Steps to reproduce the issue:

1. Execute in a loop this:

• create a port
• sleep for few seconds
• Removing this port
• Sleep again for few seconds

2. Warnings (described above) appear on log

Describe the results you received:

Warning on logs (mentioned above)

Describe the results you expected:

No Warning on log

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):