W0508 00:13:58.116351       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 00:13:58.116896       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0508 00:13:58.117936       1 kube-rbac-proxy.go:349] Reading certificate files
I0508 00:13:58.118226       1 kube-rbac-proxy.go:397] Starting TCP socket on :8443
I0508 00:13:58.118541       1 kube-rbac-proxy.go:404] Listening securely on :8443
E0508 00:22:56.775878       1 auth.go:47] Unable to authenticate the request due to an error: context canceled