W0203 10:58:42.376206       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0203 10:58:42.376850       1 kube-rbac-proxy.go:233] Valid token audiences: 
I0203 10:58:42.377768       1 kube-rbac-proxy.go:347] Reading certificate files
I0203 10:58:42.377984       1 kube-rbac-proxy.go:395] Starting TCP socket on :8443
I0203 10:58:42.378169       1 kube-rbac-proxy.go:402] Listening securely on :8443