W0417 23:08:23.366246       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0417 23:08:23.367883       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0417 23:08:23.368947       1 kube-rbac-proxy.go:349] Reading certificate files
I0417 23:08:23.369246       1 kube-rbac-proxy.go:397] Starting TCP socket on :9154
I0417 23:08:23.369515       1 kube-rbac-proxy.go:404] Listening securely on :9154