onas@jonas-Visionbook-14Wr-Plus:~$ cat /sys/class/net/wlan0/address
ff:ff:ff:ff:ff:ff
jonas@jonas-Visionbook-14Wr-Plus:~$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether ff:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
3: pan1: <BROADCAST,MULTICAST> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether aa:97:83:33:b4:36 brd ff:ff:ff:ff:ff:ff
    inet 10.90.182.1/24 scope global pan1
       valid_lft forever preferred_lft forever
jonas@jonas-Visionbook-14Wr-Plus:~$