W0428 13:26:20.811768       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0428 13:26:20.812370       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0428 13:26:20.813764       1 kube-rbac-proxy.go:349] Reading certificate files
I0428 13:26:20.814006       1 kube-rbac-proxy.go:397] Starting TCP socket on :9154
I0428 13:26:20.814252       1 kube-rbac-proxy.go:404] Listening securely on :9154