[Unit] Description=Change MAC address Before=dhcpcd@%i.service [Service] Type=oneshot ExecStart=/sbin/ip link set dev %i address 00:09:4c:e5:2b:a9 ExecStart=/sbin/ip link set dev %i up [Install] WantedBy=network.target
# systemctl enable changemac@wlan0 # systemctl start changemac@wlan0