(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] pods should successfully create sandboxes by adding pod to network

Significant regression detected.
Fishers Exact probability of a regression: 100.00%.
Test pass rate dropped from 99.42% to 93.99%.

Sample (being evaluated) Release: 4.19
Start Time: 2025-06-10T00:00:00Z
End Time: 2025-06-17T12:00:00Z
Success Rate: 93.99%
Successes: 212
Failures: 14
Flakes: 7

Base (historical) Release: 4.17
Start Time: 2024-09-01T00:00:00Z
End Time: 2024-10-01T00:00:00Z
Success Rate: 99.42%
Successes: 803
Failures: 5
Flakes: 54

View the test details report for additional context.

Pretty clearly failing worse in the last week than 4.17 and 4.18 both.