Наконец то разобрался с wifi

/ # dmesg
...
[  264.456800] libertas: [MAC_ADDR_WAS_HERE], fw 5.0.13p1, cap 0x000003a3
[  264.499614] libertas: wlan0: Marvell WLAN 802.11 adapter
/ # iwconfig wlan0
wlan0     IEEE 802.11b/g  ESSID:"" 
          Mode:Managed  Frequency:2.412 GHz  Access Point: Not-Associated  
          Bit Rate:0 kb/s  
          Encryption key:off
          Power Management:off
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

/ # ifconfig wlan0 up
/ # iwlist wlan0 scan
wlan0     Scan completed :
          Cell 01 - Address: [MAC_ADDR_WAS_HERE]
                    ESSID:"www.kaa.org.ua"
                    Mode:Managed
                    Frequency:2.412 GHz (Channel 1)
                    Quality=86/100  Signal level=-64 dBm  Noise level=-96 dBm
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
                              12 Mb/s; 48 Mb/s
                    (Unknown Wireless Token 0x8C05)