After a lot of work, we merged new navigation into Cockpit today. This clearly separates dashboards from per-host configuration.
If you're tracking git master, you need to reinstall and restart cockpit.
More info:
https://github.com/cockpit-project/cockpit/pull/1861 https://github.com/cockpit-project/cockpit/issues/1726
Some follow up work that still needs to be done:
https://trello.com/c/59Ajm8lz/53-multiple-dashboards
This will be part of Cockpit 0.41
Cheers,
Stef