That is funny I did the same thing and it still took an hour or two longer than I planned/desired, but I guess that is part of the reason so many folks are saying it was released a little early.
With that said, I also got it working last night via bare-metal install and I'll place a couple items that I think prevented the UWM portion from proper installing.
Lessons learned from the forums and trial/error
a.) make sure to set hostname as ubuntu
b.) make sure the box has 5 NIC's or create the dummy interfaces
c.) i left it using DHCP, wanted to use static but wasn't sure if that was messing with the services listen...
So for now, I kept it simple and it worked.
Now to figure out Maestro?