W0424 09:06:19.005874       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0424 09:06:19.006292       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0424 09:06:19.007218       1 kube-rbac-proxy.go:349] Reading certificate files
I0424 09:06:19.007893       1 kube-rbac-proxy.go:397] Starting TCP socket on :9154
I0424 09:06:19.008391       1 kube-rbac-proxy.go:404] Listening securely on :9154