W0320 09:57:00.635603       1 deprecated.go:66] 
==== Removed Flag Warning ======================

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

===============================================
		
I0320 09:57:00.635691       1 kube-rbac-proxy.go:532] Reading config file: /etc/kubernetes/crio-metrics-proxy.cfg
I0320 09:57:00.637035       1 kube-rbac-proxy.go:235] Valid token audiences: 
I0320 09:57:00.637313       1 dynamic_cafile_content.go:161] "Starting controller" name="client-ca::/etc/kubernetes/kubelet-ca.crt"
I0320 09:57:00.638299       1 kube-rbac-proxy.go:349] Reading certificate files
E0320 09:57:00.638385       1 run.go:72] "command failed" err="failed to initialize certificate reloader: error loading certificates: error loading certificate: open /var/lib/kubelet/pki/kubelet-server-current.pem: no such file or directory"