dotcloud/docker — pull request #5121 by tianon (2014-04-09 17:19:54+00:00)
Title: Fix spurious mtab symlink error when /etc doesn't exist yet

symlink /proc/mounts /var/lib/docker/btrfs/subvolumes/1763d6602b8b871f0a79754f1cb0a31b3928bb95de5232b1b8c15c60fa1017f6-init/etc/mtab: no such file or directory