This is a clone of issue OCPBUGS-70170. The following is the description of the original issue:
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(Feel free to update this bug's summary to be more specific.)
Component Readiness has found a potential regression in the following test:

[sig-network] Networking IPerf2 [Feature:Networking-Performance] should run iperf2

Significant regression detected.
Fishers Exact probability of a regression: 100.00%.
Test pass rate dropped from 100.00% to 96.15%.

Sample (being evaluated) Release: 4.21
Start Time: 2025-12-16T00:00:00Z
End Time: 2025-12-23T12:00:00Z
Success Rate: 96.15%
Successes: 150
Failures: 6
Flakes: 0
Base (historical) Release: 4.19
Start Time: 2025-05-18T00:00:00Z
End Time: 2025-06-17T00:00:00Z
Success Rate: 100.00%
Successes: 834
Failures: 0
Flakes: 0

View the test details report for additional context.

Filed by: weliang@redhat.com