diff -drupN a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h
--- a/include/uapi/linux/rtnetlink.h	2018-08-06 17:23:04.000000000 +0300
+++ b/include/uapi/linux/rtnetlink.h	2022-06-12 05:28:14.000000000 +0300
@@ -318,6 +318,7 @@ enum rtattr_type_t {
 	RTA_ENCAP,
 	RTA_EXPIRES,
 	RTA_PAD,
+	RTA_UID,
 	__RTA_MAX
 };