Erreur connection wifi

Bonjour,

En voulant me connecter a ma box (freebox HD) je reçoit sa :

Configuring interface ath0=lan6 (inet)
run-parts --verbose /etc/network/if-pre-up.d
Starting WEP wireless connection...
ifconfig $IFACE up
dhclient3 -cf /etc/dhcp3/dhclient.$LOGICAL.conf -pf /var/run/dhclient.$IFACE.pid -lf /var/run/dhclient.$IFACE.leases $IFACE
Internet Systems Consortium DHCP Client V3.0.4
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

wifi0: unknown hardware address type 801
Setting lan1 interface eth0 metric to 10
wifi0: unknown hardware address type 801
Listening on LPF/ath0/00:15:af:b6:6e:2a
Sending on LPF/ath0/00:15:af:b6:6e:2a
Sending on Socket/fallback
DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 14
DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 1
No DHCPOFFERS received.
No working leases in persistent database - sleeping.
Setting lan1 interface eth0 metric to 10
run-parts --verbose /etc/network/if-up.d
Setting lan1 interface eth0 metric to 10


Que doi-je faire , et d'ou cela provient ?

Mercii