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

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

[Install]
WantedBy=multi-user.target