airsnort config/run prob?

[John Dangler]

gymsmoke at Nebo:~$ sudo airsnort
/sbin/wlanctl-ng eth1 lnxreq_ifstate ifstate=enable > /dev/null
wlanctl-ng: Operation not supported
/sbin/wlanctl-ng eth1 lnxreq_wlansniff enable=true channel=3
keepwepflags=false prismheader=false > /dev/null
wlanctl-ng: Operation not supported
/sbin/wlanctl-ng eth1 lnxreq_wlansniff enable=true channel=4
keepwepflags=false prismheader=false > /dev/null
wlanctl-ng: Operation not supported
/sbin/wlanctl-ng eth1 lnxreq_wlansniff enable=true channel=5
keepwepflags=false prismheader=false > /dev/null
wlanctl-ng: Operation not supported

Does anyone have some input as to why I'm getting these messages ? (are
they normal?)