Add error log

Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>

internal/pkg/controller/controller.go

@@ -182,5 +182,6 @@ func (c *Controller) handleErr(err error, key interface{}) {
 	c.queue.Forget(key)
 	// Report to an external entity that, even after several retries, we could not successfully process this key
 	runtime.HandleError(err)
+	logrus.Errorf("Dropping key out of the queue: %v", err)
 	logrus.Debugf("Dropping the key %q out of the queue: %v", key, err)
 }