kvm-host

interfaces

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet manual

auto br0
iface br0 inet static
        address 91.121.89.146
        netmask 255.255.255.0
        network 91.121.89.0
        broadcast 91.121.89.255
        gateway 91.121.89.254
   	bridge_ports eth0
   	bridge_stp off
   	bridge_fd 0
   	bridge_maxwait 0

iface br0 inet6 static
        address 2001:41D0:1:8E92::
        netmask 64
        post-up /sbin/ip -family inet6 route add 2001:41D0:1:8Eff:ff:ff:ff:ff dev br0
        post-up /sbin/ip -family inet6 route add default via 2001:41D0:1:8Eff:ff:ff:ff:ff
        pre-down /sbin/ip -family inet6 route del default via 2001:41D0:1:8Eff:ff:ff:ff:ff
        pre-down /sbin/ip -family inet6 route del 2001:41D0:1:8Eff:ff:ff:ff:ff dev br0