W0428 12:53:22.372489    3261 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0428 12:53:22.372613    3261 kube-rbac-proxy.go:530] Reading config file: /etc/kube-rbac-proxy/config-file.yaml
I0428 12:53:22.373419    3261 kube-rbac-proxy.go:233] Valid token audiences: 
I0428 12:53:22.374681    3261 kube-rbac-proxy.go:347] Reading certificate files
I0428 12:53:22.375730    3261 kube-rbac-proxy.go:395] Starting TCP socket on 0.0.0.0:9001
I0428 12:53:22.376053    3261 kube-rbac-proxy.go:402] Listening securely on 0.0.0.0:9001