Hi,backporting the upstream fix [0] from systemd 219 doesn't seem to resolve the issue, but Stéphane Grabers patches [1] do so.
All patches have been tested with current LXC/LXD/lxcfs 2.0.0 RCs with debian jessie as host/guest system.
[0] https://github.com/systemd/systemd/commit/874d3404cbf2363604106c8f86683db4082691ea [1] https://lists.freedesktop.org/archives/systemd-devel/2015-January/027113.html