W0326 23:43:22.608291       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0326 23:43:22.608740       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0326 23:43:22.609626       1 kube-rbac-proxy.go:349] Reading certificate files
I0326 23:43:22.609907       1 kube-rbac-proxy.go:397] Starting TCP socket on :8443
I0326 23:43:22.610095       1 kube-rbac-proxy.go:404] Listening securely on :8443