auto lo
iface lo inet loopback
iface lo inet6 loopback
auto enp4s0
iface enp4s0 inet static
address 136.243.40.160
netmask 255.255.255.192
gateway 136.243.40.129
up route add -net 136.243.40.128 netmask 255.255.255.192 gw 136.243.40.129 dev enp4s0
# route 136.243.40.128/26 via 136.243.40.129
iface enp4s0 inet6 static
address 2a01:4f8:212:89f::2
netmask 64
gateway fe80::1
up sysctl -p
auto vmbr0
iface vmbr0 inet static
address 136.243.40.160
netmask 255.255.255.255
bridge_ports none
bridge_stp off
bridge_fd 0
up ip route add 136.243.40.172/32 dev vmbr0
iface vmbr0 inet6 static
address 2a01:4f8:212:89f::2
netmask 64