lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

virbr0    no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:"Forever_Autumn"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:1C:DF:A1:C7:2C   
          Bit Rate=0 kb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:4D2A-74E3-9380-371E-5476-020B-93A4-64A1-3E3B-DBFD-48CD-4DDA-B06D-4552-087C-37BE [3]
          Power Management:on
          Link Quality=17/70  Signal level=-93 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0