Feature #5421: Spoof MAC address
Correctly detect when MAC address was not spoofed on NICs that macchanger cannot get the permanent MAC of
Details are in the report sent by intrigeri to tails-dev on 2013-12-27.
As anonym put it, we'd need to save the MAC address to somewhere in the
tails-spoof-mac (called by the MAC spoof udev hook)
since we also need the functionality of
nic_has_spoofed_mac() in the