allow-hotplug enp3s0
iface enp3s0 inet manual

auto br0
iface br0 inet static
bridge_ports enp3s0
bridge_stp off
bridge_fd 0
bridge_maxwait 0

address 10.0.68.120
netmask 255.255.255.128
network 10.0.68.0
broadcast 10.0.68.255
dns-nameserver 10.110.140.22 10.110.140.23
gateway 10.0.68.126