Repository: kubernetes
Issue: [Flaking test] [ sig-api-machinery] Kubernetes e2e suite.[It] [sig-api-machinery] AdmissionWebhook [Privileged:ClusterAdmin] should mutate custom resource with different stored version [Conformance]
Labels: sig/api-machinery,kind/flake,needs-triage

### Which jobs are flaking?

master-blocking
- gce-cos-master-default

### Which tests are flaking?

Kubernetes e2e suite.[It] [sig-api-machinery] AdmissionWebhook [Privileged:ClusterAdmin] should mutate custom resource with different stored version [Conformance]

[prow](https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/ci-kubernetes-e2e-capz-master-windows-2025/1883952806776279040)
[triage](https://storage.googleapis.com/k8s-triage/index.html?test=Kubernetes%20e2e%20suite.%5C%5BIt%5C%5D%20%5C%5Bsig-api-machinery%5C%5D%20AdmissionWebhook%20%5C%5BPrivileged%3AClusterAdmin%5C%5D%20should%20mutate%20custom%20resource%20with%20different%20stored%20version%20%5C%5BConformance%5C%5D&xjob=e2e-kops)

### Since when has it been flaking?

[1879059897350361088 1/14/2025, 3:56:17 AM](https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/ci-kubernetes-e2e-capz-master-windows-2025/1879059897350361088)
[1880328504331997184 1/17/2025, 3:57:18 PM](https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/ci-kubernetes-e2e-capz-master-windows-2025/1880328504331997184)
[1881415678393585664 1/20/2025, 3:57:20 PM](https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/ci-kubernetes-e2e-capz-master-windows-2025/1881415678393585664)
[1882503241699168256 1/23/2025, 3:58:54 PM](https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/ci-kubernetes-e2e-capz-master-windows-2025/1882503241699168256)
[1883952806776279040 1/27/2025, 3:58:59 PM](https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/ci-kubernetes-e2e-capz-master-windows-2025/1883952806776279040)

### Testgrid link

https://testgrid.k8s.io/sig-release-master-blocking#gce-cos-master-default

### Reason for failure (if possible)

```
{ failed [FAILED] waiting for the deployment status valid%!(EXTRA string=registry.k8s.io/e2e-test-images/agnhost:2.53, string=sample-webhook-deployment, string=webhook-5045): error waiting for deployment "sample-webhook-deployment" status to match expectation: deployment status: v1.DeploymentStatus{ObservedGeneration:1, Replicas:1, UpdatedReplicas:1, ReadyReplicas:0, AvailableReplicas:0, UnavailableReplicas:1, TerminatingReplicas:(*int32)(nil), Conditions:[]v1.DeploymentCondition{v1.DeploymentCondition{Type:"Available", Status:"False", LastUpdateTime:time.Date(2025, time.January, 27, 19, 35, 14, 0, time.Local), LastTransitionTime:time.Date(2025, time.January, 27, 19, 35, 14, 0, time.Local), Reason:"MinimumReplicasUnavailable", Message:"Deployment does not have minimum availability."}, v1.DeploymentCondition{Type:"Progressing", Status:"True", LastUpdateTime:time.Date(2025, time.January, 27, 19, 35, 14, 0, time.Local), LastTransitionTime:time.Date(2025, time.January, 27, 19, 35, 14, 0, time.Local), Reason:"ReplicaSetUpdated", Message:"ReplicaSet \"sample-webhook-deployment-bcbfc85d\" is progressing."}}, CollisionCount:(*int32)(nil)}
In [BeforeEach] at: k8s.io/kubernetes/test/e2e/apimachinery/webhook.go:1125 @ 01/27/25 19:40:15.114

There were additional failures detected after the initial failure. These are visible in the timeline
}
```

### Anything else we need to know?

N/A

### Relevant SIG(s)

/sig api-machinery
@kubernetes/release-team-release-signal