This is a clone of issue OCPBUGS-15613. The following is the description of the original issue:
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Description of problem:

The chk_default_ingress.sh script for keepalived is not correctly matching the default ingress pod name anymore. The pod name in a recently deployed dev-scripts cluster is router-default-97fb6b94c-wfxfk which does not match our grep pattern of router-default-[[:xdigit:]]\\{10}-[[:alnum:]]
{5}{}. The main issue seems to be that the first id is only 9 digits, not 10.

Version-Release number of selected component (if applicable):

4.14

How reproducible:

Unsure, but has been seen at least twice

Steps to Reproduce:

1. Deploy recent nightly build
2. Look at chk_default_ingress status
3.

Actual results:

Always failing, even on nodes with the default ingress pod

Expected results:

Passes on nodes with default ingress pod

Additional info: