I'm on 11.10, and no wireless networks I create are staying connected. I had created one called "cookie" many moons ago, then deleted it some time after upgrading to 11.10.

Strangely, that network showed up today, after applying some updates, yet the system still will not remain connected to any ad-hoc networks I create. I reported a bug (as one should do) but it has been ignored for a long time now, and it is allegedly fixed, but I still have the problem.

See this output: http://pastebin.com/LAEB9H1u

What can I do to get normal functionality back? Is there some way to clean network manager's configuration so I can start with a clean slate without reinstalling the entire system?