[Unit]
Description=dhclient on %I
Wants=network.target
Before=network.target

[Service]
ExecStart=/usr/sbin/dhclient -lf /var/lib/dhclient/dhclient.leases -pf /run/dhclient@%i/dhclient.pid -d %I
RuntimeDirectory=dhclient@%i
User=isc-dhcp-client
ProtectSystem=yes
ProtectHome=yes
ReadWritePaths=/var/lib/dhclient/
RestartSec=2s
Restart=on-failure

[Install]
WantedBy=multi-user.target