This is a clone of issue RHEL-93496 to use for version rhel-10.1
–
Original description:

What were you trying to do that didn't work?

ptp4l as a unicast server breaks after a link fault (link down and up).

Upstream fix: https://github.com/nwtime/linuxptp/commit/dbc9e7792793600bb94003aa2ae9dba84a37a7bd

Please provide the package NVR for which the bug is seen:

linuxptp-4.4-1.el9

How reproducible is this bug?:

reliable

Steps to reproduce

1.  configure ptp4l as a unicast server and client
2.  bring the link between them down and up again
3.  observe synchronization

Expected results

working

Actual results

not working