From 729e8bf685a66c91e521734b31c7eddd399c66ef Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Wed, 21 Sep 2016 21:07:24 +0200 Subject: [PATCH] conf: try to retrieve mtu from veth When the mtu cannot be retrieved from netdev->link try from veth device. Signed-off-by: Christian Brauner --- src/lxc/conf.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/src/lxc/conf.c b/src/lxc/conf.c index 53182fb0f..f688f9432 100644 --- a/src/lxc/conf.c +++ b/src/lxc/conf.c @@ -2577,10 +2577,13 @@ static int instantiate_veth(struct lxc_handler *handler, struct lxc_netdev *netd INFO("Retrieved mtu %d", mtu); } else if (netdev->link) { bridge_index = if_nametoindex(netdev->link); - if (!bridge_index) - INFO("Could not retrieve mtu from %s", netdev->link); - mtu = netdev_get_mtu(bridge_index); - INFO("Retrieved mtu %d from %s", mtu, netdev->link); + if (bridge_index) { + mtu = netdev_get_mtu(bridge_index); + INFO("Retrieved mtu %d from %s", mtu, netdev->link); + } else { + mtu = netdev_get_mtu(netdev->ifindex); + INFO("Retrieved mtu %d from %s", mtu, veth2); + } } if (mtu) {