Docker cgroup.procs no space left on device

环境：centos6

运行docker 时 错误提示： System error: write /sys/fs/cgroup/docker/01f5670fbee1f6687f58f3a943b1e1bdaec2630197fa4da1b19cc3db7e3d3883/cgroup.procs: no space left on device"

解决方案：https://stackoverflow.com/questions/29961584/docker-cgroup-procs-no-space-left-on-device/29973281#29973281