# sudo cp agent@.service /lib/systemd/system/
# sudo ln -s /lib/systemd/system/agent@.service /etc/systemd/system/multi-user.target.wants/agent@.service
# sudo systemctl daemon-reload
# sudo systemctl enable agent@<vni id>
[Unit]
Description=agent service with user %I
StartLimitIntervalSec=0

[Service]
Type=simple
Restart=always
RestartSec=5
User=root
WorkingDirectory=/home/jw/agent/srcs
ExecStart=/usr/bin/env /home/jw/agent/srcs/agent_main dhcpd -v %I -m -n vxlan0 -c ./config/agent.cfg -d ./config/ -k pqwAQ81rxg70aoy3v+Jjrw==

[Install]
WantedBy=multi-user.target