### /etc/netplan/01-netcfg.yaml (Guest) ###
network:
  version: 2
  renderer: networkd
  ethernets:
    ens18:
      dhcp4: no
      dhcp6: no
      addresses: [188.40.185.208/32]
      routes:
      - to: 0.0.0.0/0
        via: 178.63.74.222/32
        on-link: true
      nameservers:
        addresses: [213.133.98.98,213.133.99.99,213.133.100.100,8.8.8.8]




### /etc/network/interfaces (Host) ###
source /etc/network/interfaces.d/*

auto lo
iface lo inet loopback
iface lo inet6 loopback

auto enp4s0
iface enp4s0 inet static
  address 178.63.74.222
  netmask 255.255.255.255
  gateway 178.63.74.193
  pointopoint 178.63.74.193
  dns-nameservers 213.133.98.98 213.133.99.99 213.133.100.100 8.8.8.8 2a01:4f8:0:1::add:9898 2a01:4f8:0:1::add:9999 2a01:4f8:0:1::add:1010

iface enp4s0 inet6 static
  address 2a01:4f8:121:23ec::2
  netmask 64
  gateway fe80::1

auto vmbr0
iface vmbr0 inet static
  address 178.63.74.222
  netmask 255.255.255.255
  bridge_ports none
  bridge_stp off
  bridge_fd 0
  bridge_maxwait 0
  up ip route add 188.40.185.208/28 dev vmbr0