--- zzzz-none-000/linux-4.4.271/include/uapi/linux/icmpv6.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/uapi/linux/icmpv6.h	2023-04-19 10:22:30.000000000 +0000
@@ -76,7 +76,7 @@
 #define icmp6_addrconf_other	icmp6_dataun.u_nd_ra.other
 #define icmp6_rt_lifetime	icmp6_dataun.u_nd_ra.rt_lifetime
 #define icmp6_router_pref	icmp6_dataun.u_nd_ra.router_pref
-};
+} __attribute__((packed, aligned(2)));
 
 
 #define ICMPV6_ROUTER_PREF_LOW		0x3
@@ -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
  */