作业docker.service失败

我已经多次重新安装了docker，并且在这里也尝试了其他类似的post。 我不明白为什么我不能启动docker工人。 （CentOs 7）

[wayne@localhost sysconfig]$ 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. [wayne@localhost sysconfig]$ sudo systemctl status docker.service docker.service - Docker Application Container Engine Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled) Active: failed (Result: start-limit) since Mon 2017-08-07 18:05:54 CDT; 11s ago Docs: https://docs.docker.com Process: 8401 ExecStart=/usr/bin/dockerd (code=exited, status=1/FAILURE) Main PID: 8401 (code=exited, status=1/FAILURE) Aug 07 18:05:54 localhost.localdomain systemd[1]: Failed to start Docker Application Container Engine. Aug 07 18:05:54 localhost.localdomain systemd[1]: Unit docker.service entered failed state. Aug 07 18:05:54 localhost.localdomain systemd[1]: docker.service failed. Aug 07 18:05:54 localhost.localdomain systemd[1]: docker.service holdoff time over, scheduling restart. Aug 07 18:05:54 localhost.localdomain systemd[1]: start request repeated too quickly for docker.service Aug 07 18:05:54 localhost.localdomain systemd[1]: Failed to start Docker Application Container Engine. Aug 07 18:05:54 localhost.localdomain systemd[1]: Unit docker.service entered failed state. Aug 07 18:05:54 localhost.localdomain systemd[1]: docker.service failed.