W0521 19:38:08.991130       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0521 19:38:08.991184       1 kube-rbac-proxy.go:532] Reading config file: /etc/kubernetes/crio-metrics-proxy.cfg
I0521 19:38:08.994465       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0521 19:38:08.994658       1 dynamic_cafile_content.go:161] "Starting controller" name="client-ca::/etc/kubernetes/kubelet-ca.crt"
I0521 19:38:08.996337       1 kube-rbac-proxy.go:349] Reading certificate files
I0521 19:38:08.996633       1 kube-rbac-proxy.go:397] Starting TCP socket on :9637
I0521 19:38:08.996934       1 kube-rbac-proxy.go:404] Listening securely on :9637