--- include/linux/notifier.h
+++ include/linux/notifier.h
@@ -201,6 +201,7 @@ static inline int notifier_to_errno(int
#define NETDEV_PRE_UP 0x000D
#define NETDEV_BONDING_OLDTYPE 0x000E
#define NETDEV_BONDING_NEWTYPE 0x000F
+#define NETDEV_NOTIFY_PEERS 0x0013
#define SYS_DOWN 0x0001 /* Notify of system down */
#define SYS_RESTART SYS_DOWN