Boot the host
$ docker ps -sa
(returns header only)
$ docker run hello-world
$ docker ps -sa
(hangs)
$ docker ps
(hangs)

core@core-03 ~ $ docker info
Containers: 1
Images: 3
Storage Driver: btrfs
Execution Driver: native-0.2
Kernel Version: 3.16.2+
Operating System: CoreOS 435.0.0
core@core-03 ~ $ docker version
Client version: 1.2.0
Client API version: 1.14
Go version (client): go1.3.1
Git commit (client): fa7b24f
OS/Arch (client): linux/amd64
Server version: 1.2.0
Server API version: 1.14
Go version (server): go1.3.1
Git commit (server): fa7b24f