问题描述
机器关机，再次启动之后，产生如下错误：
Jul 30 13:26:43 localhost.localdomain dockerd[3957]: time="2018-07-30T13:26:43.932115371+02:00" level=error msg="containerd did not exit successfully" error="exit status 2" module=libcontainerd
问题原因
不知道……内核版本不满足要求可能导致该问题，但是我的内核版本已经满足要求。
解决办法
重新安装：yum reinstall
相关链接
Docker-CE cannot run because of dockered error: “Containerd did not exist sucessfully” Exist status code 2 #377
Failed to connect to containerd: failed to dial #274
Just installed: Failed to connect to containerd #218