Description of problem:
When running lldpad regression tests for bz701993 greater than expected CPU usage is reported. Initially detected during RHEL8.7 regression testing, the issue seems to have (re)appeared in 8.3.

As bz701993 was closed a couple of major releases ago, a new bug is getting logged even though it may be a recurrence of the old problem.

Version-Release number of selected component (if applicable):
lldpad as included with RHEL 8.3-8.7

How reproducible:
Always

Steps to Reproduce:
1.Run lldpad regression test for bz701993

Actual results:
Test output indicates that cpu usage by lldpad is greater than expected

Expected results:
lldpad cpu usage should be 1% or less

Additional info: