package docker.io 1.13.1-0ubuntu6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Stuart Stephen]

Installed Ubuntu 17.10 fresh, ran sudo apt-get install docker.io, but the subprocess is failing.

Second attempt at running the command gives the following information:

Reading package lists... Done
Building dependency tree
Reading state information... Done
docker.io is already the newest version (1.13.1-0ubuntu6).
0 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up docker.io (1.13.1-0ubuntu6) ...
addgroup: The group `docker' already exists as a system group. Exiting.
Job for docker.service failed because the control process exited with error code.
See "systemctl status docker.service" and "journalctl -xe" for details.
invoke-rc.d: initscript docker, action "start" failed.
● docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; disabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sun 2017-11-05 20:02:54 GMT; 7ms ago
     Docs: https://docs.docker.com
  Process: 19637 ExecStart=/usr/bin/dockerd -H fd:// $DOCKER_OPTS (code=exited, status=1/FAILURE)
 Main PID: 19637 (code=exited, status=1/FAILURE)
      CPU: 17ms

Nov 05 20:02:54 orc systemd[1]: Starting Docker Application Container Engine...
Nov 05 20:02:54 orc dockerd[19637]: no sockets found via socket activation: make sure the service was started by systemd
Nov 05 20:02:54 orc systemd[1]: docker.service: Main process exited, code=exited, status=1/FAILURE
Nov 05 20:02:54 orc systemd[1]: Failed to start Docker Application Container Engine.
Nov 05 20:02:54 orc systemd[1]: docker.service: Unit entered failed state.
Nov 05 20:02:54 orc systemd[1]: docker.service: Failed with result 'exit-code'.
dpkg: error processing package docker.io (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 docker.io
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 17.10
Package: docker.io 1.13.1-0ubuntu6
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.1
Architecture: amd64
Date: Sun Nov 5 19:55:07 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2017-11-05 (0 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /root/Error: command ['which', 'python'] failed with exit code 1:, Error: [Errno 2] No such file or directory: "/root/Error: command ['which', 'python'] failed with exit code 1:": "/root/Error: command ['which', 'python'] failed with exit code 1:", unpackaged
RelatedPackageVersions:
 dpkg 1.18.24ubuntu1
 apt 1.5
SourcePackage: docker.io
Title: package docker.io 1.13.1-0ubuntu6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.