W1204 00:57:19.214358       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I1204 00:57:19.214877       1 kube-rbac-proxy.go:233] Valid token audiences: 
I1204 00:57:19.216031       1 kube-rbac-proxy.go:347] Reading certificate files
I1204 00:57:19.216313       1 kube-rbac-proxy.go:395] Starting TCP socket on :9120
I1204 00:57:19.216692       1 kube-rbac-proxy.go:402] Listening securely on :9120