Eu recentemente experimentei o macchanger, porque eu queria mudar meu endereço MAC automaticamente na inicialização. Eu me lembro de criar um script para este somwhere, mas eu esqueci onde. Nunca funcionou, mas agora minha interface WiFi não está inicializando corretamente (veja o log):
Jan 14 10:03:17 Adalramus bluetoothd[979]: Endpoint unregistered: sender=:1.35 path=/MediaEndpoint/A2DPSource
Jan 14 10:03:17 Adalramus bluetoothd[979]: Endpoint unregistered: sender=:1.35 path=/MediaEndpoint/A2DPSink
Jan 14 10:03:20 Adalramus org.gnome.zeitgeist.Engine[1496]: ** (zeitgeist-datahub:2123): WARNING **: zeitgeist-datahub.vala:229: Unable to get name "org.gnome.zeitgeist.datahub" on the bus!
Jan 14 10:04:04 Adalramus systemd[1]: sys-subsystem-net-devices-wlp2s0i.device: Job sys-subsystem-net-devices-wlp2s0i.device/start timed out.
Jan 14 10:04:04 Adalramus systemd[1]: Timed out waiting for device sys-subsystem-net-devices-wlp2s0i.device.
Jan 14 10:04:04 Adalramus systemd[1]: Dependency failed for macchanger on wlp2s0i.
Jan 14 10:04:04 Adalramus systemd[1]: macspoof.service: Job macspoof.service/start failed with result 'dependency'.
Jan 14 10:04:04 Adalramus systemd[1]: sys-subsystem-net-devices-wlp2s0i.device: Job sys-subsystem-net-devices-wlp2s0i.device/start failed with result 'timeout'.
Jan 14 10:04:04 Adalramus systemd[1]: Reached target Network (Pre).
Jan 14 10:04:04 Adalramus systemd[1]: Starting Network Manager...
Jan 14 10:04:04 Adalramus systemd[1]: Starting Raise network interfaces...
Jan 14 10:04:04 Adalramus NetworkManager[2232]: <info> [1515920644.6544] NetworkManager (version 1.2.6) is starting...
O Macchager está instalado.
user@Adalramus:~$ sudo apt show macchanger
Package: macchanger
Version: 1.7.0-5.3
Priority: extra
Section: universe/net
...