f-21: code: change from ip to interface type

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

internal/netif/vxlan.go

@@ -1,20 +1,22 @@
 package netif
 
 import (
-	"net"
-
 	"github.com/vishvananda/netlink"
 )
 
-func CreateVxlan(name string, vxlanID int, localIP net.IP) error {
+func CreateVxlan(name string, vxlanID int, localIface string) error {
+	link, err := netlink.LinkByName(localIface)
+	if err != nil {
+		return err
+	}
 	vxlan := &netlink.Vxlan{
 		LinkAttrs: netlink.LinkAttrs{
 			Name: name,
 		},
-		VxlanId:  vxlanID,
-		Port:     4789,
-		SrcAddr:  localIP,
-		Learning: false,
+		VxlanId:      vxlanID,
+		Port:         4789,
+		VtepDevIndex: link.Attrs().Index,
+		Learning:     false,
 	}
 	return netlink.LinkAdd(vxlan)
 }