debian/patches/delete_network_show_error.diff

   1 diff --git a/src/lxc/conf.c b/src/lxc/conf.c
   2 index 0e3421b..91c90b1 100644
   3 --- a/src/lxc/conf.c
   4 +++ b/src/lxc/conf.c
   5 @@ -3083,9 +3083,13 @@ void lxc_delete_network(struct lxc_handler *handler)
   6                  * namespace is destroyed but in case we did not moved the
   7                  * interface to the network namespace, we have to destroy it
   8                  */
   9 -               if (netdev->ifindex != 0 &&
  10 -                   lxc_netdev_delete_by_index(netdev->ifindex))
  11 -                       WARN("failed to remove interface '%s'", netdev->name);
  12 +               if (netdev->ifindex != 0) {
  13 +                       int err = lxc_netdev_delete_by_index(netdev->ifindex);
  14 +                       if (err) {
  15 +                               WARN("failed to remove interface '%s': %i: %s", netdev->name,
  16 +                                    err, strerror(-err));
  17 +                       }
  18 +               }
  19         }
  20  }
  21