Which jobs are flaking:

pull-kubernetes-integration

Which test(s) are flaking:

k8s.io/kubernetes/test/integration/apiserver/admissionwebhook: TestMutatingWebhookResetsInvalidManagedFields

Testgrid link:

https://testgrid.k8s.io/presubmits-kubernetes-blocking#pull-kubernetes-integration

Reason for failure:

Not sure.

Anything else we need to know:

Example failures from recent PRs:

• https://prow.k8s.io/view/gs/kubernetes-jenkins/pr-logs/pull/100552/pull-kubernetes-integration/1374978563941339136 (PR: add a verify equivilant to prometheus visibility rules #100552)
• https://prow.k8s.io/view/gs/kubernetes-jenkins/pr-logs/pull/100553/pull-kubernetes-integration/1374986586868944896 (PR: job controller: don't mutate shared cache object #100553)

/sig api-machinery
/kind flake