Comment 13 for bug 264104

Seems associate is on be default:
$ modinfo ipw2200
...
parm: associate:auto associate when scanning (default on) (int)
...

I confirmed the default state of 'associate' by performing:
$ cat /sys/module/ipw2200/parameters/associate
1

Creating /etc/modprobe.d/foo with:
options ipw2200 associate=0

and rebooting gets rid of all of my posted 'Failed' messages above. I confirmed the new state of 'associate' by performing:

$ cat /sys/module/ipw2200/parameters/associate
0

With associate=0, I am able to associate with my WPA2 network, as well as public networks. I'll keep rebooting to make sure this fixed it, as having associate=1 would only sometimes cause the above problem.