W0508 00:13:27.562486       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 00:13:27.563079       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0508 00:13:27.564097       1 kube-rbac-proxy.go:349] Reading certificate files
I0508 00:13:27.564817       1 kube-rbac-proxy.go:397] Starting TCP socket on :9154
I0508 00:13:27.565652       1 kube-rbac-proxy.go:404] Listening securely on :9154