I just ran my gen 2 node and that update went perfect. I rebooted the old node but still no local access. The node and additional miner are running though as I can see them in the solo mining dashboard. I just can't access the dashboard for the old node remote or direct.
I upgraded my gen 1 node - I just use
http://futurebit-apollo-btc/miner to access it - maybe that will work for you