[Unit]Description=Set MAC address for ENC28J60 moduleWants=network-pre.targetBefore=network-pre.targetBindsTo=sys-subsystem-net-devices-eth0.deviceAfter=sys-subsystem-net-devices-eth0.device[Service]Type=oneshotExecStart=/sbin/ip link set dev eth0 address ma:ca:dd:re:ss:01ExecStart=/sbin/ip link set dev eth0 up[Install]WantedBy=multi-user.target