auto wg0
iface wg0 inet static
  pre-up /sbin/ip link add dev wg0 type wireguard
  pre-up /usr/bin/wg setconf wg0 /etc/wireguard/wg0.conf
  post-up /sbin/ip route add 192.168.2.0/24 dev wg0
  up /sbin/ip link set dev wg0 up
  down /sbin/ip link del wg0
  address 192.168.5.1
  netmask 255.255.255.0