W0325 11:04:14.691665       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0325 11:04:14.692606       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0325 11:04:14.694275       1 kube-rbac-proxy.go:349] Reading certificate files
I0325 11:04:14.694769       1 kube-rbac-proxy.go:397] Starting TCP socket on :8443
I0325 11:04:14.695040       1 kube-rbac-proxy.go:404] Listening securely on :8443