Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details

root@ros-OptiPlex-3050:~# service docker restart
Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.
root@ros-OptiPlex-3050:~# sudo systemctl stop docker
root@ros-OptiPlex-3050:~# sudo systemctl start docker
Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.
root@ros-OptiPlex-3050:~# service docker status
● docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
   Active: inactive (dead) (Result: exit-code) since 五 2018-08-31 15:15:29 CST; 1min 18s ago
     Docs: https://docs.docker.com
  Process: 13377 ExecStart=/usr/bin/dockerd -H fd:// (code=exited, status=1/FAILURE)
 Main PID: 13377 (code=exited, status=1/FAILURE)

8月 31 15:15:29 ros-OptiPlex-3050 systemd[1]: Failed to start Docker Application Container Engine.
8月 31 15:15:29 ros-OptiPlex-3050 systemd[1]: docker.service: Unit entered failed state.
8月 31 15:15:29 ros-OptiPlex-3050 systemd[1]: docker.service: Failed with result 'exit-code'.
8月 31 15:15:29 ros-OptiPlex-3050 systemd[1]: docker.service: Service hold-off time over, scheduling restart.
8月 31 15:15:29 ros-OptiPlex-3050 systemd[1]: Stopped Docker Application Container Engine.
8月 31 15:15:29 ros-OptiPlex-3050 systemd[1]: docker.service: Start request repeated too quickly.
8月 31 15:15:29 ros-OptiPlex-3050 systemd[1]: Failed to start Docker Application Container Engine.
8月 31 15:15:59 ros-OptiPlex-3050 systemd[1]: Stopped Docker Application Container Engine.
8月 31 15:16:03 ros-OptiPlex-3050 systemd[1]: docker.service: Start request repeated too quickly.
8月 31 15:16:03 ros-OptiPlex-3050 systemd[1]: Failed to start Docker Application Container Engine.
root@ros-OptiPlex-3050:~# ll /var/log/docker
ls: cannot access '/var/log/docker': No such file or directory
root@ros-OptiPlex-3050:~#  rm -rf /var/lib/docker/
root@ros-OptiPlex-3050:~# nano /etc/docker/daemon.json

root@ros-OptiPlex-3050:~# cat /etc/docker/daemon.json
{
    "graph": "/mnt/docker-data",
    "storage-driver": "overlay"
}

root@ros-OptiPlex-3050:~#

root@ros-OptiPlex-3050:~# service docker  start