Comment 111 for bug 1239578

Whatever is happening, your wireless system is dropping the connection as shown by

[126573.115713] wlan0: disassociating from 00:1f:33:d2:a6:f8 by local choice (Reason: 3=DEAUTH_LEAVING)

Please check your NetworkManager and wpa_supplicant logs to see if they offer any clues.

What is the encryption of your AP? I suspect it must be WPA1 given

[126562.844210] r8192ee 0000:03:00.0 wlan0: disabling HT/VHT due to WEP/TKIP use