W0511 11:16:23.982448       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0511 11:16:23.982782       1 kube-rbac-proxy.go:233] Valid token audiences: 
I0511 11:16:23.983666       1 kube-rbac-proxy.go:347] Reading certificate files
I0511 11:16:23.983873       1 kube-rbac-proxy.go:395] Starting TCP socket on :8443
I0511 11:16:23.984078       1 kube-rbac-proxy.go:402] Listening securely on :8443