airodump-ng -c 6 -w wep -i eth1
Invalid output format: IVS and PCAP format cannot be used together.

root@xander-laptop:~# airodump-ng -c 6 eth1
ioctl(SIOCSIWMODE) failed: Invalid argument

ARP linktype is set to 1 (Ethernet) - expected ARPHRD_IEEE80211,
ARPHRD_IEEE80211_FULL or ARPHRD_IEEE80211_PRISM instead. Make
sure RFMON is enabled: run 'airmon-ng start eth1 <#>'
Sysfs injection support was not found either.