--- a/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm64.go	Thu Sep 22 16:37:07 2022 +0200
+++ b/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm64.go	Sat Feb 04 12:58:35 2023 +0100
@@ -368,14 +368,12 @@
 	Pad      uint32
 }
 
-type Mclpool struct{}
-
 const (
 	SizeofBpfVersion = 0x4
 	SizeofBpfStat    = 0x8
 	SizeofBpfProgram = 0x10
 	SizeofBpfInsn    = 0x8
-	SizeofBpfHdr     = 0x14
+	SizeofBpfHdr     = 0x18
 )
 
 type BpfVersion struct {
@@ -405,7 +403,10 @@
 	Caplen  uint32
 	Datalen uint32
 	Hdrlen  uint16
-	_       [2]byte
+	Ifidx   uint16
+	Flowid  uint16
+	Flags   uint8
+	Drops   uint8
 }
 
 type BpfTimeval struct {