(Feel free to update this bug's summary to be more specific.)
Component Readiness has found a potential regression in the following test:

verify node count should match or exceed machine count

Significant regression detected.
Fishers Exact probability of a regression: 99.98%.
Test pass rate dropped from 100.00% to 91.18%.

Sample (being evaluated) Release: 4.22
Start Time: 2026-03-03T00:00:00Z
End Time: 2026-03-10T04:00:00Z
Success Rate: 91.18%
Successes: 31
Failures: 3
Flakes: 0
Base (historical) Release: 4.21
Start Time: 2026-01-04T00:00:00Z
End Time: 2026-02-03T23:59:59Z
Success Rate: 100.00%
Successes: 93
Failures: 0
Flakes: 0

View the test details report for additional context.

Additional ( info ) - Seems the failure in test could have caused it -
[sig-mco][Suite:openshift/machine-config-operator/disruptive][Serial][Disruptive][OCPFeatureGate:OSStreams] MCO osImageStream [PolarionID:87097][OTP] Extensions from rhel9 stream to rhel10 stream [Disruptive] [apigroup:machineconfiguration.openshift.io] expand_less 5m39s
{ fail [github.com/openshift/machine-config-operator/test/extended-priv/mco_osimagestream.go:201]: mc operation is not completed on mcp custom-j84jw0z1: mcp custom-j84jw0z1 has degraded 1 machines
Unexpected error:
<*errors.errorString | 0x400143c370>:
mcp custom-j84jw0z1 has degraded 1 machines

occurred}

Filed by: miyadav@redhat.com