wpa_supplicant[1282]: CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys

[Jan Paesmans]

Creating a wireless trace with wireshark might also be a good idea. When
the AP sends a dissassociate, is will also give a reason. Might be that
helps.

Just my 2 cents,

Jan
>
> Is the driver sending a disassociation event?  You'll want '-dddt'
> debugging from the supplicant to figure that out.  Or you can run
> 'iwevent' if you have WEXT support built in.