root@RouterSofsis:/etc/config# kismet_server -f /etc/kismet/kismet.conf 
Using alternate config file: /etc/kismet/kismet.conf
Suid priv-dropping disabled.  This may not be secure.
No specific sources given to be enabled, all will be enabled.
Disabling channel hopping.
Source 0 (wrt54g): Enabling monitor mode for wrt54g source interface wl0 channel 0...
wl0       no private ioctls.

Source 0 (wrt54g): Opening wrt54g source interface wl0...
FATAL: ioctl: No such device