W0508 17:56:26.423547       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 17:56:26.424070       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0508 17:56:26.425114       1 kube-rbac-proxy.go:349] Reading certificate files
I0508 17:56:26.425345       1 kube-rbac-proxy.go:397] Starting TCP socket on :8443
I0508 17:56:26.425546       1 kube-rbac-proxy.go:404] Listening securely on :8443