--- zzzz-none-000/linux-4.9.218/include/uapi/linux/icmpv6.h	2020-04-02 15:20:41.000000000 +0000
+++ seale-7590ax-750/linux-4.9.218/include/uapi/linux/icmpv6.h	2023-03-29 10:59:08.000000000 +0000
@@ -118,6 +118,8 @@
 #define ICMPV6_POLICY_FAIL		5
 #define ICMPV6_REJECT_ROUTE		6
 
+#define ICMPV6_FAILED_POLICY ICMPV6_POLICY_FAIL
+
 /*
  *	Codes for Time Exceeded
  */