root@xampik-laptop:/home/xampik# airmon-ng stop ath0


Interface       Chipset         Driver

eth1            Broadcom        bcm43xx
ath0            Atheros         madwifi-ng VAP (parent: wifi0) (VAP destroyed)

root@xampik-laptop:/home/xampik# airmon-ng start wifi0


Interface       Chipset         Driver

eth1            Broadcom        bcm43xx

root@xampik-laptop:/home/xampik# airodump-ng wifi0
ioctl(SIOCSIWMODE) failed: Invalid argument
Error setting monitor mode on wifi0