diff --git a/probe/endpoint/conntrack/const.go b/probe/endpoint/conntrack/const.go
index e7871cb89..895a4612c 100644
--- a/probe/endpoint/conntrack/const.go
+++ b/probe/endpoint/conntrack/const.go
@@ -63,134 +63,6 @@ func (s TCPState) String() string {
 // Taken from libnetfilter_conntrack: git://git.netfilter.org/libnetfilter_conntrack
 // include/libnetfilter_conntrack/linux_nfnetlink_conntrack.h
 
-type CtattrType int
-
-const (
-	CtaUnspec         CtattrType = 0
-	CtaTupleOrig      CtattrType = 1
-	CtaTupleReply     CtattrType = 2
-	CtaStatus         CtattrType = 3
-	CtaProtoinfo      CtattrType = 4
-	CtaHelp           CtattrType = 5
-	CtaNatSrc         CtattrType = 6
-	CtaTimeout        CtattrType = 7
-	CtaMark           CtattrType = 8
-	CtaCountersOrig   CtattrType = 9
-	CtaCountersReply  CtattrType = 10
-	CtaUse            CtattrType = 11
-	CtaId             CtattrType = 12
-	CtaNatDst         CtattrType = 13
-	CtaTupleMaster    CtattrType = 14
-	CtaNatSeqAdjOrig  CtattrType = 15
-	CtaNatSeqAdjReply CtattrType = 16
-	CtaSecmark        CtattrType = 17
-	CtaZone           CtattrType = 18
-	CtaSecctx         CtattrType = 19
-	CtaTimestamp      CtattrType = 20
-	CtaMarkMask       CtattrType = 21
-	CtaLabels         CtattrType = 22
-	CtaLabelsMask     CtattrType = 23
-	CtaMax            CtattrType = 24
-)
-
-type CtattrTuple int
-
-const (
-	CtaTupleUnspec CtattrTuple = 0
-	CtaTupleIp     CtattrTuple = 1
-	CtaTupleProto  CtattrTuple = 2
-	CtaTupleMax    CtattrTuple = 3
-)
-
-type CtattrIp int
-
-const (
-	CtaIpUnspec CtattrIp = 0
-	CtaIpV4Src  CtattrIp = 1
-	CtaIpV4Dst  CtattrIp = 2
-	CtaIpV6Src  CtattrIp = 3
-	CtaIpV6Dst  CtattrIp = 4
-	CtaIpMax    CtattrIp = 5
-)
-
-type CtattrL4proto int
-
-const (
-	CtaProtoUnspec     CtattrL4proto = 0
-	CtaProtoNum        CtattrL4proto = 1
-	CtaProtoSrcPort    CtattrL4proto = 2
-	CtaProtoDstPort    CtattrL4proto = 3
-	CtaProtoIcmpId     CtattrL4proto = 4
-	CtaProtoIcmpType   CtattrL4proto = 5
-	CtaProtoIcmpCode   CtattrL4proto = 6
-	CtaProtoIcmpv6Id   CtattrL4proto = 7
-	CtaProtoIcmpv6Type CtattrL4proto = 8
-	CtaProtoIcmpv6Code CtattrL4proto = 9
-	CtaProtoMax        CtattrL4proto = 10
-)
-
-type CtattrProtoinfo int
-
-const (
-	CtaProtoinfoUnspec CtattrProtoinfo = 0
-	CtaProtoinfoTcp    CtattrProtoinfo = 1
-	CtaProtoinfoDccp   CtattrProtoinfo = 2
-	CtaProtoinfoSctp   CtattrProtoinfo = 3
-	CtaProtoinfoMax    CtattrProtoinfo = 4
-)
-
-type CtattrProtoinfoTcp int
-
-const (
-	CtaProtoinfoTcpUnspec         CtattrProtoinfoTcp = 0
-	CtaProtoinfoTcpState          CtattrProtoinfoTcp = 1
-	CtaProtoinfoTcpWscaleOriginal CtattrProtoinfoTcp = 2
-	CtaProtoinfoTcpWscaleReply    CtattrProtoinfoTcp = 3
-	CtaProtoinfoTcpFlagsOriginal  CtattrProtoinfoTcp = 4
-	CtaProtoinfoTcpFlagsReply     CtattrProtoinfoTcp = 5
-	CtaProtoinfoTcpMax            CtattrProtoinfoTcp = 6
-)
-
-type NfConntrackAttrGrp int
-
-const (
-	AttrGrpOrigIpv4     NfConntrackAttrGrp = 0
-	AttrGrpReplIpv4     NfConntrackAttrGrp = 1
-	AttrGrpOrigIpv6     NfConntrackAttrGrp = 2
-	AttrGrpReplIpv6     NfConntrackAttrGrp = 3
-	AttrGrpOrigPort     NfConntrackAttrGrp = 4
-	AttrGrpReplPort     NfConntrackAttrGrp = 5
-	AttrGrpIcmp         NfConntrackAttrGrp = 6
-	AttrGrpMasterIpv4   NfConntrackAttrGrp = 7
-	AttrGrpMasterIpv6   NfConntrackAttrGrp = 8
-	AttrGrpMasterPort   NfConntrackAttrGrp = 9
-	AttrGrpOrigCounters NfConntrackAttrGrp = 10
-	AttrGrpReplCounters NfConntrackAttrGrp = 11
-	AttrGrpOrigAddrSrc  NfConntrackAttrGrp = 12
-	AttrGrpOrigAddrDst  NfConntrackAttrGrp = 13
-	AttrGrpReplAddrSrc  NfConntrackAttrGrp = 14
-	AttrGrpReplAddrDst  NfConntrackAttrGrp = 15
-	AttrGrpMax          NfConntrackAttrGrp = 16
-)
-
-type NfConntrackQuery int
-
-const (
-	NfctQCreate          NfConntrackQuery = 0
-	NfctQUpdate          NfConntrackQuery = 1
-	NfctQDestroy         NfConntrackQuery = 2
-	NfctQGet             NfConntrackQuery = 3
-	NfctQFlush           NfConntrackQuery = 4
-	NfctQDump            NfConntrackQuery = 5
-	NfctQDumpReset       NfConntrackQuery = 6
-	NfctQCreateUpdate    NfConntrackQuery = 7
-	NfctQDumpFilter      NfConntrackQuery = 8
-	NfctQDumpFilterReset NfConntrackQuery = 9
-)
-
-// Taken from libnetfilter_conntrack: git://git.netfilter.org/libnetfilter_conntrack
-// include/libnetfilter_conntrack/linux_nfnetlink_conntrack.h
-
 type CntlMsgTypes int
 
 const (
diff --git a/probe/endpoint/conntrack/headers.go b/probe/endpoint/conntrack/headers.go
new file mode 100644
index 000000000..55531855e
--- /dev/null
+++ b/probe/endpoint/conntrack/headers.go
@@ -0,0 +1,131 @@
+package conntrack
+
+// code generated by enum2go.
+
+type CtattrType int
+const (
+	CtaUnspec CtattrType = 0
+	CtaTupleOrig CtattrType = 1
+	CtaTupleReply CtattrType = 2
+	CtaStatus CtattrType = 3
+	CtaProtoinfo CtattrType = 4
+	CtaHelp CtattrType = 5
+	CtaNatSrc CtattrType = 6
+	CtaTimeout CtattrType = 7
+	CtaMark CtattrType = 8
+	CtaCountersOrig CtattrType = 9
+	CtaCountersReply CtattrType = 10
+	CtaUse CtattrType = 11
+	CtaId CtattrType = 12
+	CtaNatDst CtattrType = 13
+	CtaTupleMaster CtattrType = 14
+	CtaNatSeqAdjOrig CtattrType = 15
+	CtaNatSeqAdjReply CtattrType = 16
+	CtaSecmark CtattrType = 17
+	CtaZone CtattrType = 18
+	CtaSecctx CtattrType = 19
+	CtaTimestamp CtattrType = 20
+	CtaMarkMask CtattrType = 21
+	CtaLabels CtattrType = 22
+	CtaLabelsMask CtattrType = 23
+	CtaMax CtattrType = 24
+)
+
+type CtattrTuple int
+const (
+	CtaTupleUnspec CtattrTuple = 0
+	CtaTupleIp CtattrTuple = 1
+	CtaTupleProto CtattrTuple = 2
+	CtaTupleMax CtattrTuple = 3
+)
+
+type CtattrCounters int
+const (
+	CtaCountersUnspec CtattrCounters = 0
+	CtaCountersPackets CtattrCounters = 1		/* 64bit counters */
+	CtaCountersBytes CtattrCounters = 2		/* 64bit counters */
+	CtaCounters32Packets CtattrCounters = 3		/* old 32bit counters, unused */
+	CtaCounters32Bytes CtattrCounters = 4		/* old 32bit counters, unused */
+	CtaCountersMax CtattrCounters = 5
+)
+
+type CtattrIp int
+const (
+	CtaIpUnspec CtattrIp = 0
+	CtaIpV4Src CtattrIp = 1
+	CtaIpV4Dst CtattrIp = 2
+	CtaIpV6Src CtattrIp = 3
+	CtaIpV6Dst CtattrIp = 4
+	CtaIpMax CtattrIp = 5
+)
+
+type CtattrL4proto int
+const (
+	CtaProtoUnspec CtattrL4proto = 0
+	CtaProtoNum CtattrL4proto = 1
+	CtaProtoSrcPort CtattrL4proto = 2
+	CtaProtoDstPort CtattrL4proto = 3
+	CtaProtoIcmpId CtattrL4proto = 4
+	CtaProtoIcmpType CtattrL4proto = 5
+	CtaProtoIcmpCode CtattrL4proto = 6
+	CtaProtoIcmpv6Id CtattrL4proto = 7
+	CtaProtoIcmpv6Type CtattrL4proto = 8
+	CtaProtoIcmpv6Code CtattrL4proto = 9
+	CtaProtoMax CtattrL4proto = 10
+)
+
+type CtattrProtoinfo int
+const (
+	CtaProtoinfoUnspec CtattrProtoinfo = 0
+	CtaProtoinfoTcp CtattrProtoinfo = 1
+	CtaProtoinfoDccp CtattrProtoinfo = 2
+	CtaProtoinfoSctp CtattrProtoinfo = 3
+	CtaProtoinfoMax CtattrProtoinfo = 4
+)
+
+type CtattrProtoinfoTcp int
+const (
+	CtaProtoinfoTcpUnspec CtattrProtoinfoTcp = 0
+	CtaProtoinfoTcpState CtattrProtoinfoTcp = 1
+	CtaProtoinfoTcpWscaleOriginal CtattrProtoinfoTcp = 2
+	CtaProtoinfoTcpWscaleReply CtattrProtoinfoTcp = 3
+	CtaProtoinfoTcpFlagsOriginal CtattrProtoinfoTcp = 4
+	CtaProtoinfoTcpFlagsReply CtattrProtoinfoTcp = 5
+	CtaProtoinfoTcpMax CtattrProtoinfoTcp = 6
+)
+
+type NfConntrackAttrGrp int
+const (
+	AttrGrpOrigIpv4 NfConntrackAttrGrp = 0
+	AttrGrpReplIpv4 NfConntrackAttrGrp = 1
+	AttrGrpOrigIpv6 NfConntrackAttrGrp = 2
+	AttrGrpReplIpv6 NfConntrackAttrGrp = 3
+	AttrGrpOrigPort NfConntrackAttrGrp = 4
+	AttrGrpReplPort NfConntrackAttrGrp = 5
+	AttrGrpIcmp NfConntrackAttrGrp = 6
+	AttrGrpMasterIpv4 NfConntrackAttrGrp = 7
+	AttrGrpMasterIpv6 NfConntrackAttrGrp = 8
+	AttrGrpMasterPort NfConntrackAttrGrp = 9
+	AttrGrpOrigCounters NfConntrackAttrGrp = 10
+	AttrGrpReplCounters NfConntrackAttrGrp = 11
+	AttrGrpOrigAddrSrc NfConntrackAttrGrp = 12
+	AttrGrpOrigAddrDst NfConntrackAttrGrp = 13
+	AttrGrpReplAddrSrc NfConntrackAttrGrp = 14
+	AttrGrpReplAddrDst NfConntrackAttrGrp = 15
+	AttrGrpMax NfConntrackAttrGrp = 16
+)
+
+type NfConntrackQuery int
+const (
+	NfctQCreate NfConntrackQuery = 0
+	NfctQUpdate NfConntrackQuery = 1
+	NfctQDestroy NfConntrackQuery = 2
+	NfctQGet NfConntrackQuery = 3
+	NfctQFlush NfConntrackQuery = 4
+	NfctQDump NfConntrackQuery = 5
+	NfctQDumpReset NfConntrackQuery = 6
+	NfctQCreateUpdate NfConntrackQuery = 7
+	NfctQDumpFilter NfConntrackQuery = 8
+	NfctQDumpFilterReset NfConntrackQuery = 9
+)
+