--- /usr/include/linux/ip.h     2016-12-13 02:43:29.632211373 +0000
+++ /usr/include/linux/ip.h     2016-12-13 02:38:35.512207519 +0000
@@ -82,27 +82,27 @@
 
 #define IPV4_BEET_PHMAXLEN 8
 
-struct iphdr {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-       __u8    ihl:4,
-               version:4;
-#elif defined (__BIG_ENDIAN_BITFIELD)
-       __u8    version:4,
-               ihl:4;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-       __u8    tos;
-       __be16  tot_len;
-       __be16  id;
-       __be16  frag_off;
-       __u8    ttl;
-       __u8    protocol;
-       __sum16 check;
-       __be32  saddr;
-       __be32  daddr;
-       /*The options start here. */
-};
+//struct iphdr {
+//#if defined(__LITTLE_ENDIAN_BITFIELD)
+//     __u8    ihl:4,
+//             version:4;
+//#elif defined (__BIG_ENDIAN_BITFIELD)
+//     __u8    version:4,
+//             ihl:4;
+//#else
+//#error       "Please fix <asm/byteorder.h>"
+//#endif
+//     __u8    tos;
+//     __be16  tot_len;
+//     __be16  id;
+//     __be16  frag_off;
+//     __u8    ttl;
+//     __u8    protocol;
+//     __sum16 check;
+//     __be32  saddr;
+//     __be32  daddr;
+//     /*The options start here. */
+//};
 
 
 struct ip_auth_hdr {