[Unit]
Description=168.192.215.x net for host
After=network.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/ip addr add 192.168.215.1/24 broadcast 192.168.215.255 dev lo
ExecStop=/usr/bin/ip addr del 192.168.215.1/24 broadcast 192.168.215.255 dev lo
[Install]
WantedBy=default.target