auto lo
iface lo inet loopback
    dns-nameservers 172.16.0.2
    dns-search maas

iface ens3 inet manual

auto br-ens3
iface br-ens3 inet static
    gateway 172.16.0.1
    address 172.16.0.3/24
    mtu 1500
    bridge_ports ens3
    bridge_stp off
    bridge_maxwait 0

iface ens5 inet manual

auto br-ens5
iface br-ens5 inet static
    address 172.17.0.3/24
    mtu 1500
    bridge_ports ens5
    bridge_stp off
    bridge_maxwait 0