今天在虚拟机中练习docker的时候突然linux系统反复重启，一下子没有发现原因，不断打开虚拟机还是自动会关机，一下子很纳闷。
打开计算机里，一看原来虚拟机所在磁盘空间满了。怪不得 出现这个问题，清空磁盘后问题解决了。
查看/var/log/messages 的信息
netlink: 12 bytes leftover after parsing attributes.
netlink: 12 bytes leftover after parsing attributes.netlink: 12 bytes leftover after parsing attributes.docker0: Dropping TSO features since no CSUM feature.docker0: Dropping TSO6 features since no CSUM feature.netlink: 12 bytes leftover after parsing attributes.netlink: 12 bytes leftover after parsing attributes.netlink: 12 bytes leftover after parsing attributes.(null): Dropping TSO features since no CSUM feature.(null): Dropping TSO6 features since no CSUM feature.netlink: 12 bytes leftover after parsing attributes.netlink: 12 bytes leftover after parsing attributes.netlink: 12 bytes leftover after parsing attributes.docker0: no IPv6 routers present