W0329 02:52:07.973371       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0329 02:52:07.973810       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0329 02:52:07.976010       1 kube-rbac-proxy.go:349] Reading certificate files
I0329 02:52:07.976288       1 kube-rbac-proxy.go:397] Starting TCP socket on :9154
I0329 02:52:07.976556       1 kube-rbac-proxy.go:404] Listening securely on :9154