return nil
		}
	}
	return fmt.Errorf("node IP: %q not found in the host's network interfaces", nodeIP.String())
}

// nodeStatusHasChanged compares the original node and current node's status and
// returns true if any change happens. The heartbeat timestamp is ignored.
func nodeStatusHasChanged(originalStatus *v1.NodeStatus, status *v1.NodeStatus) bool {
	if originalStatus == nil && status == nil {
		return false
	}