conf: non-functional changes

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/conf.c b/src/lxc/conf.c
index 8a11ff345984020a894b1fc35422d6d1ac1571b4..afc1af9f56ec731d0ad334c6197b2b379a8a6128 100644 (file)
--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -2402,7 +2402,10 @@ static int setup_netdev(struct lxc_netdev *netdev)
                return -1;
        }
 
-       /* default: let the system to choose one interface name */
+       /* Default: let the system to choose one interface name.
+        * When the IFLA_IFNAME attribute is passed something like "<prefix>%d"
+        * netlink will replace the format specifier with an appropriate index.
+        */
        if (!netdev->name)
                netdev->name = netdev->type == LXC_NET_PHYS ?
                        netdev->link : "eth%d";