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How is the virtual network created within CoreOS? I am running some code that previously worked but now I cannot connect to my ETCD cluster within my containers.

On my Host I am missing the docker0 interface completely. And CoreOS does not offer the docker network command.

Is this something within CoreOS or a setting I am missing? How should I go about debugging this?

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By default on CoreOS docker uses socket activation, meaning the docker service isn't started until something tries to connect to docker over the docker socket. This means the docker0 interface will not exist until you attempt to talk to docker.

It should appear automatically if you try to start a container.

于 2015-12-22T00:38:36.600 回答