diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h
index b841caa4657ec..91e4ca064d614 100644
--- a/include/uapi/linux/rtnetlink.h
+++ b/include/uapi/linux/rtnetlink.h
@@ -319,6 +319,11 @@ enum rt_scope_t {
 #define RTM_F_FIB_MATCH	        0x2000	/* return full fib lookup match */
 #define RTM_F_OFFLOAD		0x4000	/* route is offloaded */
 #define RTM_F_TRAP		0x8000	/* route is trapping packets */
+#define RTM_F_OFFLOAD_FAILED	0x20000000 /* route offload failed, this value
+					    * is chosen to avoid conflicts with
+					    * other flags defined in
+					    * include/uapi/linux/ipv6_route.h
+					    */
 
 /* Reserved table identifiers */