W0508 00:10:42.191795       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0508 00:10:42.192425       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0508 00:10:42.193977       1 kube-rbac-proxy.go:349] Reading certificate files
I0508 00:10:42.194350       1 kube-rbac-proxy.go:397] Starting TCP socket on :8443
I0508 00:10:42.194579       1 kube-rbac-proxy.go:404] Listening securely on :8443
E0508 00:16:27.597950       1 auth.go:47] Unable to authenticate the request due to an error: context canceled
E0508 00:16:27.606464       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
E0508 00:16:27.606506       1 auth.go:47] Unable to authenticate the request due to an error: Post "https://172.30.0.1:443/apis/authentication.k8s.io/v1/tokenreviews": net/http: TLS handshake timeout
E0508 00:16:28.175658       1 auth.go:47] Unable to authenticate the request due to an error: context canceled
E0508 00:16:28.181251       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
E0508 00:16:28.181321       1 auth.go:47] Unable to authenticate the request due to an error: Post "https://172.30.0.1:443/apis/authentication.k8s.io/v1/tokenreviews": net/http: TLS handshake timeout