--- zzzz-none-000/linux-4.4.60/include/uapi/linux/in.h 2017-04-08 07:53:53.000000000 +0000 +++ hawkeye-5590-729/linux-4.4.60/include/uapi/linux/in.h 2022-03-30 14:21:53.000000000 +0000 @@ -83,7 +83,7 @@ /* Internet address. */ struct in_addr { __be32 s_addr; -}; +} __attribute__((packed, aligned(2))); #endif #define IP_TOS 1