Comment 2 for bug 1918195

A fix for this issue has been submitted with the following details

update: Add in-service test to clear stale config failure alarm
review: https://review.opendev.org/c/starlingx/metal/+/783388
commit: https://opendev.org/starlingx/metal/commit/031818e55bc255b59e486ebf6faadf4b784c93fe