network: log ifindex

src/lxc/conf.h

@@ -121,7 +121,7 @@ union netdev_p {
  * @idx        : network counter
  */
 struct lxc_netdev {
-	unsigned int idx;
+	ssize_t idx;
 	int type;
 	int flags;
 	int ifindex;

src/lxc/confile_utils.c

@@ -253,7 +253,8 @@ void lxc_log_configured_netdevs(const struct lxc_conf *conf)
 	lxc_list_for_each(it, &conf->network) {
 		netdev = it->elem;
 
-		TRACE("index: %d", netdev->idx);
+		TRACE("index: %zd", netdev->idx);
+		TRACE("ifindex: %d", netdev->ifindex);
 		switch (netdev->type) {
 		case LXC_NET_VETH:
 			TRACE("type: veth");