[Unit] Description=Robot USB gadget (NCM Ethernet + ACM serial) After=sys-kernel-config.mount systemd-modules-load.service Before=network-pre.target Wants=network-pre.target [Service] Type=oneshot RemainAfterExit=yes ExecStart=/usr/local/sbin/robot-usb-gadget start ExecStop=/usr/local/sbin/robot-usb-gadget stop [Install] WantedBy=multi-user.target