Did you read that other post?
Did you try setting the mac address of the AP radio in the station connect list?
/interface wireless connect-list
add mac-address=00:0C:42:64:6B:00 interface=wlan1 connect=yes
When you do that, this line will no longer appear in the new disconnect messages in the station log:
jan/02/1970 02:00:17 wireless,debug wlan1: no network that satisfies connect-list, by default choose with strongest signal
Once you are certain the connect list entry is correct, then try changing the station default-authentication setting.
set wlan1 default-authentication=no
If your system is like mine, the rest of those disconnect messages will stop. Let me know how that works.
Just a warning. If the mac address is not correct in the connect list, the station will disconnect and not reconnect until you set the default-authentication=yes or enter the correct mac address in the station connect list.
ADD: I do not see this as a bug. To me, this is a feature that must be disabled if you don't want the station to roam.
Actually, I believe the bug is in a different place. When you set "default-authentication=yes" again, it does not resume roaming.