Merge pull request #5437 from chymy/cm-20210127

Fix klog.Infof change to klog.InfoS err

Author: k8s-ci-robot

contributors/devel/sig-instrumentation/migration-to-structured-logging.md

@@ -173,7 +173,7 @@ klog.Infof("delete pod %s with propagation policy %s", ...)
 ```
 should be changed to
 ```go
-klog.Infof("Deleted pod", ...)
+klog.InfoS("Deleted pod", ...)
 ```
 
 Some logs are constructed solely from string formats. In those cases a message needs to be derived from the context of