I have the same isseu, a lott of probe requests but no conections.
When i search on my phone for networks i see they pinneaplle...and i'm able to connect it (it not going automaticly).
But al the other devices that are doing a request don't get a connection.
Just update with the latest firmware and reboot the system but i won't work.
Is there anything i forgot to do....to get it work?
Also when my on phone is connected, is see it in the "karma inttelggent report" but when i shutdwon my phone its still there.