fix: validate statefulset pod by name

Some controller (e.g. vcluster) will add pod owner reference to statefulset, however this pod is not controlled by statefulset controller, we should not treat it as a statefulset pod.

(cherry picked from commit 6b60a58)

pkg/controller/pod.go

@@ -819,7 +819,9 @@ func (c *Controller) handleUpdatePod(key string) error {
 func isStatefulSetPod(pod *v1.Pod) (bool, string) {
 	for _, owner := range pod.OwnerReferences {
 		if owner.Kind == "StatefulSet" && strings.HasPrefix(owner.APIVersion, "apps/") {
-			return true, owner.Name
+			if strings.HasPrefix(pod.Name, owner.Name) {
+				return true, owner.Name
+			}
 		}
 	}
 	return false, ""