Thomas, it would be best to open a bug upstream for documentation for VLAN... and/or anyway file a new bug here for the documentation too rather than reusing old bugs.
Michael: I think all you need for this is that the top section ('[connection]') is set "autoconnect=true" or so. It does work properly here as soon as a cable is connected (though I didn't have to add autoconnect).
Thomas, it would be best to open a bug upstream for documentation for VLAN... and/or anyway file a new bug here for the documentation too rather than reusing old bugs.
Michael: I think all you need for this is that the top section ('[connection]') is set "autoconnect=true" or so. It does work properly here as soon as a cable is connected (though I didn't have to add autoconnect).