Allow changing node.kubernetes.io/* node labels within kubelet

allow-labels.diff

diff --git a/pkg/kubelet/kubelet_node_status.go b/pkg/kubelet/kubelet_node_status.go
index cb13ec735f..f50cdab917 100644
--- a/pkg/kubelet/kubelet_node_status.go
+++ b/pkg/kubelet/kubelet_node_status.go
@@ -176,6 +176,13 @@ func (kl *Kubelet) updateDefaultLabels(initialNode, existingNode *v1.Node) bool
 		}
 	}
 
+	for labelKey, labelValue := range initialNode.Labels {
+		if kubeletapis.IsKubeletLabel(labelKey) {
+			existingNode.Labels[labelKey] = labelValue
+			needsUpdate = true
+		}
+	}
+
 	return needsUpdate
 }