[Unit]
Description=IPv4 DHCP server for interface %i
After=network.target
Requires=sys-subsystem-net-devices-%i.device

[Service]
ExecStart=/usr/bin/dyndhcpd -i%i
ProtectSystem=full
ProtectHome=on
PrivateDevices=on
NoNewPrivileges=on

[Install]
WantedBy=multi-user.target