Configure the Linux kernel to allow IP forwarding.
$ sysctl net.ipv4.conf.all.forwarding=1
will be strategic
$ sudo iptables -P FORWARD ACCEPT
错开容器的IP段
添加路由
docker 130上执行 route add -net 172.18.0.0/16 gw 192.168.18.128
docker 128上执行 route add -net 172.17.0.0/16 gw 192.168.18.130