W0416 18:44:31.849858       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0416 18:44:31.850166       1 kube-rbac-proxy.go:233] Valid token audiences: 
I0416 18:44:31.850908       1 kube-rbac-proxy.go:347] Reading certificate files
I0416 18:44:31.851089       1 kube-rbac-proxy.go:395] Starting TCP socket on :9154
I0416 18:44:31.851339       1 kube-rbac-proxy.go:402] Listening securely on :9154