# airmon-ng stop ath0


Interface       Chipset         Driver

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

# airmon-ng start wifi0 1


Interface       Chipset         Driver

wifi0           Atheros         madwifi-ngError for wireless request "Set Frequency" (8B04) :
    SET failed on device ath0 ; No such device.

eth1            Broadcom                bcm43xx
ath1            Atheros         madwifi-ng VAP (parent: wifi0)