batman-adv: slightly improve neighbor creation debug message

print the interface along with the new neighbor mac address
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

net/batman-adv/originator.c

@@ -110,7 +110,8 @@ batadv_neigh_node_new(struct batadv_hard_iface *hard_iface,
 	atomic_set(&neigh_node->refcount, 2);
 
 	batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
-		   "Creating new neighbor %pM\n", neigh_addr);
+		   "Creating new neighbor %pM on interface %s\n", neigh_addr,
+		   hard_iface->net_dev->name);
 
 out:
 	return neigh_node;