docker
[root@kvm66 ~]# docker run -d -p 20024:22 centos-ssh /usr/sbin/sshd -D
63f7d417b2dbf0026e0bb6da631ad64bf6ece14a8fd05f519d54892fe5bd5447
Error response from daemon: Cannot start container 63f7d417b2dbf0026e0bb6da631ad64bf6ece14a8fd05f519d54892fe5bd5447: iptables failed: iptables -t nat -A DOCKER -p tcp -d 0/0 --dport 20024 -j DNAT --to-destination 172.17.0.24:22 ! -i docker0: iptables: No chain/target/match by that name.
然后想起来前几天服务器远程连接出现问题，自己把防火墙关闭了
[root@kvm66 ~]# docker commit 688a2b65fe6e blue-zk
1e44a667d2fc0523718019f57ee9a1563d3ba9ab49a6fb840a43e9e664b37ca2
[root@kvm66 ~]# docker images
[root@kvm66 ~]# /etc/init.d/docker stop
停止docker]
[root@kvm66 ~]# iptables -t nat -F
[root@kvm66 ~]# ifconfig docker0 down
[root@kvm66 ~]# brctl delbr docker0
docker
[root@kvm66 ~]# /etc/init.d/docker status
原文：http://blog.51cto.com/13520772/2139392