diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
index 6ffac92..96bf2a9 100755
--- a/unix/mkerrors.sh
+++ b/unix/mkerrors.sh
@@ -486,7 +486,7 @@
 		$2 ~ /^TCSET/ ||
 		$2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||
 		$2 !~ "RTF_BITS" &&
-		$2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ ||
+		$2 ~ /^(IFF|IFT|NET_RT|RTM(GRP)?|RTF|RTV|RTA|RTAX)_/ ||
 		$2 ~ /^BIOC/ ||
 		$2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
 		$2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ ||
diff --git a/unix/zerrors_linux_386.go b/unix/zerrors_linux_386.go
index e65b02f..72066f8 100644
--- a/unix/zerrors_linux_386.go
+++ b/unix/zerrors_linux_386.go
@@ -1938,6 +1938,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_amd64.go b/unix/zerrors_linux_amd64.go
index b26659e..ea6bb88 100644
--- a/unix/zerrors_linux_amd64.go
+++ b/unix/zerrors_linux_amd64.go
@@ -1939,6 +1939,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_arm.go b/unix/zerrors_linux_arm.go
index c69ddf6..76b3d3b 100644
--- a/unix/zerrors_linux_arm.go
+++ b/unix/zerrors_linux_arm.go
@@ -1945,6 +1945,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_arm64.go b/unix/zerrors_linux_arm64.go
index 4a14044..1405ea5 100644
--- a/unix/zerrors_linux_arm64.go
+++ b/unix/zerrors_linux_arm64.go
@@ -1931,6 +1931,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_mips.go b/unix/zerrors_linux_mips.go
index 1bbc52c..a6cd090 100644
--- a/unix/zerrors_linux_mips.go
+++ b/unix/zerrors_linux_mips.go
@@ -1938,6 +1938,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_mips64.go b/unix/zerrors_linux_mips64.go
index 2b339ef..9152b5f 100644
--- a/unix/zerrors_linux_mips64.go
+++ b/unix/zerrors_linux_mips64.go
@@ -1938,6 +1938,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_mips64le.go b/unix/zerrors_linux_mips64le.go
index 1c697f3..e1aa146 100644
--- a/unix/zerrors_linux_mips64le.go
+++ b/unix/zerrors_linux_mips64le.go
@@ -1938,6 +1938,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_mipsle.go b/unix/zerrors_linux_mipsle.go
index 264898c..d23b3a9 100644
--- a/unix/zerrors_linux_mipsle.go
+++ b/unix/zerrors_linux_mipsle.go
@@ -1938,6 +1938,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_ppc64.go b/unix/zerrors_linux_ppc64.go
index 7afa93a..ab6134e 100644
--- a/unix/zerrors_linux_ppc64.go
+++ b/unix/zerrors_linux_ppc64.go
@@ -1997,6 +1997,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_ppc64le.go b/unix/zerrors_linux_ppc64le.go
index 7e68440..dc8caff 100644
--- a/unix/zerrors_linux_ppc64le.go
+++ b/unix/zerrors_linux_ppc64le.go
@@ -1997,6 +1997,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_riscv64.go b/unix/zerrors_linux_riscv64.go
index 30afa57..5d96444 100644
--- a/unix/zerrors_linux_riscv64.go
+++ b/unix/zerrors_linux_riscv64.go
@@ -1926,6 +1926,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_s390x.go b/unix/zerrors_linux_s390x.go
index 5dc08e9..7d64d6e 100644
--- a/unix/zerrors_linux_s390x.go
+++ b/unix/zerrors_linux_s390x.go
@@ -1999,6 +1999,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15
diff --git a/unix/zerrors_linux_sparc64.go b/unix/zerrors_linux_sparc64.go
index cf1c386..084d55b 100644
--- a/unix/zerrors_linux_sparc64.go
+++ b/unix/zerrors_linux_sparc64.go
@@ -1992,6 +1992,21 @@
 	RTF_UP                                      = 0x1
 	RTF_WINDOW                                  = 0x80
 	RTF_XRESOLVE                                = 0x800
+	RTMGRP_DECnet_IFADDR                        = 0x1000
+	RTMGRP_DECnet_ROUTE                         = 0x4000
+	RTMGRP_IPV4_IFADDR                          = 0x10
+	RTMGRP_IPV4_MROUTE                          = 0x20
+	RTMGRP_IPV4_ROUTE                           = 0x40
+	RTMGRP_IPV4_RULE                            = 0x80
+	RTMGRP_IPV6_IFADDR                          = 0x100
+	RTMGRP_IPV6_IFINFO                          = 0x800
+	RTMGRP_IPV6_MROUTE                          = 0x200
+	RTMGRP_IPV6_PREFIX                          = 0x20000
+	RTMGRP_IPV6_ROUTE                           = 0x400
+	RTMGRP_LINK                                 = 0x1
+	RTMGRP_NEIGH                                = 0x4
+	RTMGRP_NOTIFY                               = 0x2
+	RTMGRP_TC                                   = 0x8
 	RTM_BASE                                    = 0x10
 	RTM_DELACTION                               = 0x31
 	RTM_DELADDR                                 = 0x15