f-15: ia: first subnet try

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

internal/netif/addr.go

@@ -0,0 +1,21 @@
+package netif
+
+import (
+	"net"
+
+	"github.com/vishvananda/netlink"
+)
+
+func AddrAdd(iface string, ip net.IP) error {
+	link, err := netlink.LinkByName(iface)
+	if err != nil {
+		return err
+	}
+	addr := &netlink.Addr{
+		IPNet: &net.IPNet{
+			IP:   ip,
+			Mask: net.CIDRMask(32, 32),
+		},
+	}
+	return netlink.AddrAdd(link, addr)
+}