So does the AUFS error not matter to anything then?
root@r-ri:/var/discourse# docker version
Client:
Version: 1.11.2
API version: 1.23
Go version: go1.5.4
Git commit: b9f10c9
Built: Wed Jun 1 21:47:50 2016
OS/Arch: linux/amd64
Cannot connect to the Docker daemon. Is the docker daemon running on this host?
root@r-ri:/var/discourse# docker info
Cannot connect to the Docker daemon. Is the docker daemon running on this host?
root@r-ri:/var/discourse#