docker/libcontainer — pull request #162 by rhatdan (2014-08-20 21:08:18+00:00)
Title: Allow docker to free container labels when containers are removed.

Currently we do not remove reservations on MCS labels when a container
is removed. Not a big problem, since on reboot it would be freed.
But we should be cleaning this up. Currently we support ~500,000
labels.

Docker-DCO-1.1-Signed-off-by: Dan Walsh (github: rhatdan)