启动docker服务时, 报了标题中的错误.
找到了个解决方案
https://github.com/moby/moby/issues/15651
一, 下载二进制重新安装.
二, 有人删除了rm -rf /var/lib/docker/aufs 就好了
但我执行了YesThatAllen的回答才解决问题
A dose of rm -rf /var/lib/docker/ and a complete reinstall of docker-engine made things right without real data loss.
