KVM | host network interface settings on debian

First do: https://bytesandbones.wordpress.com/2018/02/22/debian-disabling-the-spooky-network-manager/


Then edit /etc/network/interfaces like:


# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

iface enp1s0f0 inet manual
auto br0
iface br0 inet static
  address 192.168.100.xxx
  gateway 192.168.100.x
  dns-nameservers 192.168.100.x
  dns-search domain.local
  bridge_ports enp1s0f0
  bridge_stp off
  bridge_fd 0
  bridge_maxwait 0

auto enp1s0f1
iface enp1s0f1 inet static
  address 10.81.100.xxx
  #gateway 10.81.100.x
  dns-nameservers 192.168.100.x
  dns-search domain.local