W0311 09:47:37.582354       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0311 09:47:37.583188       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0311 09:47:37.584648       1 kube-rbac-proxy.go:349] Reading certificate files
I0311 09:47:37.584986       1 kube-rbac-proxy.go:397] Starting TCP socket on :9154
I0311 09:47:37.585265       1 kube-rbac-proxy.go:404] Listening securely on :9154