W0424 07:11:38.492716       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 07:11:38.493077       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0424 07:11:38.493967       1 kube-rbac-proxy.go:349] Reading certificate files
I0424 07:11:38.494229       1 kube-rbac-proxy.go:397] Starting TCP socket on :9154
I0424 07:11:38.494526       1 kube-rbac-proxy.go:404] Listening securely on :9154