It seems as though the mac address duplicating is fixed, but if there is an IP, this is still being cloned.
Distributor ID: Ubuntu Description: Ubuntu 15.04 Release: 15.04 Codename: vivid
ii lxc 1.1.5-0ubuntu0.15.04.3 amd64 Linux Containers userspace tools
It seems as though the mac address duplicating is fixed, but if there is an IP, this is still being cloned.
Distributor ID: Ubuntu
Description: Ubuntu 15.04
Release: 15.04
Codename: vivid
ii lxc 1.1.5-0ubuntu0. 15.04.3 amd64 Linux Containers userspace tools