Merge pull request kubernetes#88783 from neolit123/1.18-fix-kubectl-auth-verbosity

client-go: use klog.V(3) for the cert-rotation controller start/stop

Author: k8s-ci-robot

staging/src/k8s.io/client-go/transport/cert_rotation.go

@@ -134,8 +134,8 @@ func (c *dynamicClientCert) Run(stopCh <-chan struct{}) {
 	defer utilruntime.HandleCrash()
 	defer c.queue.ShutDown()
 
-	klog.Infof("Starting client certificate rotation controller")
-	defer klog.Infof("Shutting down client certificate rotation controller")
+	klog.V(3).Infof("Starting client certificate rotation controller")
+	defer klog.V(3).Infof("Shutting down client certificate rotation controller")
 
 	go wait.Until(c.runWorker, time.Second, stopCh)