W0421 03:37:27.987995       1 deprecated.go:66] 
==== Removed Flag Warning ======================

logtostderr is removed in the k8s upstream and has no effect any more.

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I0421 03:37:27.988334       1 kube-rbac-proxy.go:233] Valid token audiences: 
I0421 03:37:27.989080       1 kube-rbac-proxy.go:347] Reading certificate files
I0421 03:37:27.989281       1 kube-rbac-proxy.go:395] Starting TCP socket on :9154
I0421 03:37:27.989494       1 kube-rbac-proxy.go:402] Listening securely on :9154
E0421 04:11:43.827302       1 auth.go:47] Unable to authenticate the request due to an error: context canceled
E0421 04:11:43.829601       1 webhook.go:154] Failed to make webhook authenticator request: Post "https://172.30.0.1:443/apis/authentication.k8s.io/v1/tokenreviews": net/http: TLS handshake timeout