fix mac build

netlink does not exist in mac systems
meaning that mac users will get an error when trying to build or run tests
to avoid that we can use unix.AF_INET instread of netlink family
Looking at netlink code the original definition is the same

Signed-off-by: Michael Filanov <[email protected]>

Author: filanov

go.mod

@@ -11,6 +11,7 @@ require (
 	github.com/onsi/gomega v1.36.3
 	github.com/vishvananda/netlink v1.3.0
 	go.uber.org/multierr v1.11.0
+	golang.org/x/sys v0.31.0
 	k8s.io/api v0.32.3
 	k8s.io/apimachinery v0.32.3
 	k8s.io/client-go v0.32.3
@@ -81,7 +82,6 @@ require (
 	golang.org/x/net v0.37.0 // indirect
 	golang.org/x/oauth2 v0.25.0 // indirect
 	golang.org/x/sync v0.12.0 // indirect
-	golang.org/x/sys v0.31.0 // indirect
 	golang.org/x/term v0.30.0 // indirect
 	golang.org/x/text v0.23.0 // indirect
 	golang.org/x/time v0.7.0 // indirect

pkg/lib/netlink/netlink.go

@@ -5,6 +5,7 @@ import (
 	"net"
 
 	"github.com/vishvananda/netlink"
+	"golang.org/x/sys/unix"
 )
 
 func New() NetlinkLib {
@@ -56,7 +57,7 @@ func (w *libWrapper) IsLinkAdminStateUp(link Link) bool {
 
 // IPv4Adresses return the IPv4 addresses of a link
 func (w *libWrapper) IPv4Addresses(link Link) ([]netlink.Addr, error) {
-	return netlink.AddrList(link, netlink.FAMILY_V4)
+	return netlink.AddrList(link, unix.AF_INET)
 }
 
 // AddrDel delete an IP address from a link
@@ -94,5 +95,5 @@ func (w *libWrapper) GetRouteSrc(dst string) (string, error) {
 }
 
 func (w *libWrapper) NeighList(linkIndex int) ([]netlink.Neigh, error) {
-	return netlink.NeighList(linkIndex, netlink.FAMILY_V4)
+	return netlink.NeighList(linkIndex, unix.AF_INET)
 }