Try to change something in Port Forwarding and hit SAVE.. it reboots the whole Wireless automatically.. it is reproducible all times.
Doesn't give you an option to Reboot Later. And I still receive De Authentication errors 

(((( 
[INFO]   Sun Jul 27 01:43:38 2008   Above message repeated 1 times
[INFO]   Sun Jul 27 01:43:31 2008   Wireless link is up
[INFO]   Sun Jul 27 01:43:11 2008   Stored configuration to non-volatile memory
[INFO]   Sun Jul 27 01:43:10 2008   Wireless link is down
[INFO]   Sun Jul 27 01:43:10 2008   Wireless restart
[INFO]   Sun Jul 27 01:43:10 2008   Disconnect all stations
[INFO]   Sun Jul 27 01:42:16 2008   Log viewed by IP address 192.168.0.7