Anche macchanger va benone...

bt ~ # macchanger --help
GNU MAC Changer
Usage: macchanger [options] device

-h, --help Print this help
-V, --version Print version and exit
-s, --show Print the MAC address and exit
-e, --endding Don't change the vendor bytes
-a, --another Set random vendor MAC of the same kind
-A Set random vendor MAC of any kind
-r, --random Set fully random MAC
-l, --list[=keyword] Print known vendors
-m, --mac=XX:XX:XX:XX:XX:XX Set the MAC XX:XX:XX:XX:XX:XX

Report bugs to alvaro@gnu.org