Ubuntu VM-Upgrade von 22 auf 24 bei disccourse Docker

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Device "docker0" does not exist

I just tried to install discourse on my dedicated ubuntu server. I followed this tutorial: https://github.com/discourse/discourse/blob/master/docs/INSTALL-cloud.md of course I do not have a cloud or anything, but my server. I guess it should work anyways. I am using the terminal of my mac. Here is the problem. After typing in: ./launcher bootstrap app I get an error: Device "docker0" does not exist. Cannot connect to the docker daemon - verify it is running and you have access What can I d…