[Unit]
Description=Configure Routing for Internet Connections;
After=network.target
After=rc-local.service

[Service]
ExecStart=/root/bin/check_net/check_net.sh
ExecStartPre=rm -rf /tmp/check_net.sh.LOCK
ExecStopPost=rm -rf /tmp/check_net.sh.LOCK
KillMode=control-group
SendSIGKILL=yes
TimeoutStopSec=2
Restart=on-failure

[Install]
WantedBy=multi-user.target