diff --git a/libc/kernel/uapi/linux/in6.h b/libc/kernel/uapi/linux/in6.h
index 641a69b..8dd53c1 100644
--- a/libc/kernel/uapi/linux/in6.h
+++ b/libc/kernel/uapi/linux/in6.h
@@ -164,46 +164,47 @@
 #define IPV6_PMTUDISC_DO 2
 #define IPV6_PMTUDISC_PROBE 3
 #define IPV6_PMTUDISC_INTERFACE 4
-#define IPV6_FLOWLABEL_MGR 32
+#define IPV6_PMTUDISC_OMIT 5
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IPV6_FLOWLABEL_MGR 32
 #define IPV6_FLOWINFO_SEND 33
 #define IPV6_IPSEC_POLICY 34
 #define IPV6_XFRM_POLICY 35
-#define IPV6_RECVPKTINFO 49
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IPV6_RECVPKTINFO 49
 #define IPV6_PKTINFO 50
 #define IPV6_RECVHOPLIMIT 51
 #define IPV6_HOPLIMIT 52
-#define IPV6_RECVHOPOPTS 53
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IPV6_RECVHOPOPTS 53
 #define IPV6_HOPOPTS 54
 #define IPV6_RTHDRDSTOPTS 55
 #define IPV6_RECVRTHDR 56
-#define IPV6_RTHDR 57
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IPV6_RTHDR 57
 #define IPV6_RECVDSTOPTS 58
 #define IPV6_DSTOPTS 59
 #define IPV6_RECVPATHMTU 60
-#define IPV6_PATHMTU 61
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IPV6_PATHMTU 61
 #define IPV6_DONTFRAG 62
 #define IPV6_RECVTCLASS 66
 #define IPV6_TCLASS 67
-#define IPV6_ADDR_PREFERENCES 72
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IPV6_ADDR_PREFERENCES 72
 #define IPV6_PREFER_SRC_TMP 0x0001
 #define IPV6_PREFER_SRC_PUBLIC 0x0002
 #define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100
-#define IPV6_PREFER_SRC_COA 0x0004
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IPV6_PREFER_SRC_COA 0x0004
 #define IPV6_PREFER_SRC_HOME 0x0400
 #define IPV6_PREFER_SRC_CGA 0x0008
 #define IPV6_PREFER_SRC_NONCGA 0x0800
-#define IPV6_MINHOPCOUNT 73
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IPV6_MINHOPCOUNT 73
 #define IPV6_ORIGDSTADDR 74
 #define IPV6_RECVORIGDSTADDR IPV6_ORIGDSTADDR
 #define IPV6_TRANSPARENT 75
-#define IPV6_UNICAST_IF 76
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IPV6_UNICAST_IF 76
 #endif