W0216 05:40:43.134232       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

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I0216 05:40:43.134291       1 kube-rbac-proxy.go:530] Reading config file: /etc/kubernetes/crio-metrics-proxy.cfg
I0216 05:40:43.137425       1 kube-rbac-proxy.go:233] Valid token audiences: 
I0216 05:40:43.137745       1 kube-rbac-proxy.go:347] Reading certificate files
I0216 05:40:43.137802       1 dynamic_cafile_content.go:157] "Starting controller" name="client-ca::/etc/kubernetes/kubelet-ca.crt"
I0216 05:40:43.138244       1 kube-rbac-proxy.go:395] Starting TCP socket on :9637
I0216 05:40:43.138568       1 kube-rbac-proxy.go:402] Listening securely on :9637