故障现象
Error response from daemon: driver failed programming external connectivity on endpoint jenkins (ffdc7c9cda72c575d6b045574d1432b256603a3d986a05da319ab7f3af233755): (iptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 0/0 --dport 50000 -j DNAT --to-destination 172.17.0.6:50000 ! -i docker0: iptables: No chain/target/match by that name.
(exit status 1))
Error: failed to start containers: 998fb2514db4
解决方案
原因:docker服务启动时定义的自定义链DOCKER被清除,重启即可
systemctl restart docker