I have tagged docker 1.2.0 (tracks upstream 1.2.0) and cockpit 0.24 with virt7-testing. So, I guess that should make them available on a wider scale.
FYI, cockpit 0.24 needed glib2 and glib-networking updates, both tagged virt7-testing as well.
Let me know how it works (or explodes) for you :)