Error response from daemon: Can't set task name /dev/mapper/docker-252:1-2885400-pool
Solution: https://ahmautom.wordpress.com/2015/02/12/dokku-alt-troubleshoot/
$ dmsetup mknodes
Solution: https://ahmautom.wordpress.com/2015/02/12/dokku-alt-troubleshoot/
$ dmsetup mknodes
