--- zzzz-none-000/linux-5.15.111/include/uapi/linux/netlink.h	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/include/uapi/linux/netlink.h	2024-02-07 10:23:28.000000000 +0000
@@ -32,6 +32,9 @@
 
 #define NETLINK_INET_DIAG	NETLINK_SOCK_DIAG
 
+/* Added definition for netlink socket to notify about defensive states switching. */
+#define NETLINK_DDH_NOTIFICATIONS 22
+
 #define MAX_LINKS 32		
 
 struct sockaddr_nl {