"sudo ferry server" keeps failing

[Spirit328]

$ sudo uname -a
Linux dell2950 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

$ sudo ferry server
[05/18/2015 07:15:16] [WARNING] checking for btrfs
[05/18/2015 07:15:16] [WARNING] using devmapper backend
[05/18/2015 07:15:16] [WARNING] using public dns
[05/18/2015 07:15:16] [WARNING] nohup docker -d -H=unix:////var/run/ferry.sock -g=/var/lib/ferry -p=/var/run/ferry.pid -b ferry0 --dns 8.8.8.8 --dns 8.8.4.4 -e lxc -s devicemapper --icc=true 1>/var/lib/ferry/docker.log 2>&1 &
[05/18/2015 07:15:19] [WARNING] cleaning previous mongo resources
[05/18/2015 07:15:19] [WARNING] docker -H=unix:////var/run/ferry.sock ps | grep ferry/mongodb | awk '{print $1}' | xargs docker -H=unix:////var/run/ferry.sock stop
[05/18/2015 07:15:19] [WARNING] docker -H=unix:////var/run/ferry.sock run -privileged -d -h ferrydb -v /var/lib/ferry/mongo:/service/data/ -v /var/lib/ferry/mongolog:/service/logs/ -v /usr/local/lib/python2.7/dist-packages/ferry/data/key:/service/keys -e "KEY=insecure_ferry_key" ferry/mongodb /service/sbin/startnode init
[05/18/2015 07:15:20] [WARNING] docker -H=unix:////var/run/ferry.sock inspect 9f01dd5845542b8f94bd70174d93143a305210a3dbd6b5cec33a28f3e0e04408
[05/18/2015 07:15:20] [ERROR] container for ferry/mongodb is not running
[05/18/2015 07:15:20] [ERROR] Could not start MongoDB image

$ sudo ferry info
[05/18/2015 07:15:26] [ERROR] could not connect to ferry server
It appears Ferry servers are not running.
Type sudo ferry server and try again.

/var/lib/ferry$ less docker.log
[...]
time="2015-05-18T19:20:05+02:00" level=warning msg="Your kernel does not support OOM notifications: open /sys/fs/cgroup/memory/user.slice/user-1000.slice/session-12.scope/lxc/6eaa53e56c14fde3d93b0e6a88085ecb4b4386588de73a68e2d46b124af64a93/memory.oom_control: no such file or directory"
[...]
time="2015-05-18T19:37:07+02:00" level=warning msg="Your kernel does not support OOM notifications: open /sys/fs/cgroup/memory/user.slice/user-1000.slice/session-15.scope/lxc/d969e66552543f0158996e57e01d2387a98d891ce0bd0a01e1f75569d4a9f76f/memory.oom_control: no such file or directory"

Can I configure this somewhere? Or is this a "feature" ;-)