please input correct container:test1 and external ip:117.121.x.99.[root@docker-test3 code]# python modify_docker_container_firewall.py test1 -rp 117.121.x.99delete external ip:117.121.x.99 is success!

删除的时候，还必须制定对应的容器与额外外网ip，否则删除失败，但提供对于的容器与ip

[root@docker-test3 code]# ping -c2 117.121.x.99PING 117.121.x.99 (117.121.x.99) 56(84) bytes of data.From 117.121.x.3 icmp_seq=1 Destination Host UnreachableFrom 117.121.x.3 icmp_seq=2 Destination Host Unreachable--- 117.121.x.99 ping statistics ---2 packets transmitted