Migrate pkg/kubelet/config to structured logging

Co-authored-by: Shubheksha <shubheksha@users.noreply.github.com>

Co-authored-by: Marek Siarkowicz <marek.siarkowicz@protonmail.com>

Co-authored-by: Elana Hashman <ehashman@users.noreply.github.com>

pkg/kubelet/config/file_linux.go

@@ -57,7 +57,7 @@ func (s *sourceFile) startWatch() {
 		}
 
 		if err := s.doWatch(); err != nil {
-			klog.Errorf("Unable to read config path %q: %v", s.path, err)
+			klog.ErrorS(err, "Unable to read config path", "path", s.path)
 			if _, retryable := err.(*retryableError); !retryable {
 				backOff.Next(backOffID, time.Now())
 			}
@@ -102,7 +102,7 @@ func (s *sourceFile) doWatch() error {
 func (s *sourceFile) produceWatchEvent(e *fsnotify.Event) error {
 	// Ignore file start with dots
 	if strings.HasPrefix(filepath.Base(e.Name), ".") {
-		klog.V(4).Infof("Ignored pod manifest: %s, because it starts with dots", e.Name)
+		klog.V(4).InfoS("Ignored pod manifest, because it starts with dots", "eventName", e.Name)
 		return nil
 	}
 	var eventType podEventType