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====== Docker - Networking - Disable docker0 bridge on docker startup ======

===== Problem =====

<code bash>
ip link delete docker0
</code>

<WRAP info>
**NOTE:**  When docker is restarted docker, docker 0 is automatically recreated.
</WRAP>

----

===== Permanently stop docker0 being created =====

If there are running container, then stop them first.

Create file **/etc/docker/daemon.json**

<file json /etc/docker/daemon.json>
{
    "bridge": "none"
}
</file>

And restart docker: systemctl restart docker

<WRAP info>
**NOTE:**  The changes will take effect immediately if there are no running containers.
</WRAP>

----

===== References =====

https://docs.docker.com/engine/reference/commandline/dockerd/#run-multiple-daemons

  * See the **--bridge** flag, which can be set via **daemon.json**.