docker network create --driver bridge mynetwork1
docker network create --driver bridge mynetwork2

docker run --net=mynetwork1 -it name=mynet1container1 mycontainerimage
docker run --net=mynetwork1 -it name=mynet1container2 mycontainerimage
docker run --net=mynetwork2 -it name=mynet2container1 mycontainerimage
docker run --net=mynetwork2 -it name=mynet2container2 mycontainerimage

docker network inspect mynetwork1
docker network inspect mynetwork2

sudo iptables -t filter -vL

sudo iptables -I DOCKER-USER -i mynetwork1 -o mynetwork2 -j ACCEPT
    sudo iptables -I DOCKER-USER -i mynetwork2 -o mynetwork1 -j ACCEPT

sudo iptables -I DOCKER-USER -i mynetwork1 -o mynetwork2 -s 172.17.0.2 -d 172.19.0.2 -j ACCEPT
    sudo iptables -I DOCKER-USER -i mynetwork2 -o mynetwork1 -s 172.19.0.2 -d 172.17.0.2 -j ACCEPT