W0511 03:10:49.230076       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0511 03:10:49.230794       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0511 03:10:49.232230       1 kube-rbac-proxy.go:349] Reading certificate files
I0511 03:10:49.232491       1 kube-rbac-proxy.go:397] Starting TCP socket on :9154
I0511 03:10:49.232823       1 kube-rbac-proxy.go:404] Listening securely on :9154
E0511 03:46:43.637105       1 auth.go:47] Unable to authenticate the request due to an error: context canceled