# /etc/systemd/system/wlan2eth.service
[Unit]
Description=wlan2eth
Wants=basic.target
After=basic.target network.target

[Service]
SyslogIdentifier=wlan2eth
ExecStart=/bin/bash /opt/wlan2eth/wlan2eth.sh
Restart=always
RestartSec=2

[Install]
WantedBy=multi-user.target