ip link delete docker0
NOTE: When docker is restarted docker, docker 0 is automatically recreated.
If there are running container, then stop them first.
Create file /etc/docker/daemon.json
{ "bridge": "none" }
And restart docker: systemctl restart docker
NOTE: The changes will take effect immediately if there are no running containers.
https://docs.docker.com/engine/reference/commandline/dockerd/#run-multiple-daemons