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

[It] ControlPlaneMachineSet Operator With an active ControlPlaneMachineSet with the OnDelete update strategy and ControlPlaneMachineSet is updated to set MachineNamePrefix [OCPFeatureGate:CPMSMachineNamePrefix] and the provider spec of index 2 is not as expected and again MachineNamePrefix is reset should replace the outdated machine when deleted [Periodic, Disruptive, Serial]

Extreme regression detected.
Fishers Exact probability of a regression: 100.00%.
Test pass rate dropped from 100.00% to 70.59%.

Sample (being evaluated) Release: 4.22
Start Time: 2026-02-18T00:00:00Z
End Time: 2026-02-25T04:00:00Z
Success Rate: 70.59%
Successes: 12
Failures: 5
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: 63
Failures: 0
Flakes: 0

View the test details report for additional context.

Additional info - This PR could have caused these test failures - https://github.com/openshift/cluster-etcd-operator/pull/1540 , but we need to review if we can increase timeouts as it does not seem wise to revert that PR , since it might be introduced to fix other issue .