auto br-mgmt
iface br-mgmt inet static
    bridge_stp off
    bridge_waitport 0
    bridge_fd 0
    bridge_ports enp0s3
    address 172.29.236.12
    netmask 255.255.252.0
    gateway 172.29.236.1
    dns-nameservers 8.8.8.8 8.8.4.4

auto br-vxlan
iface br-vxlan inet static
    bridge_stp off
    bridge_waitport 0
    bridge_fd 0
    bridge_ports enp0s3
    address 172.29.240.12
    netmask 255.255.252.0
    gateway 172.29.240.1
    dns-nameservers 8.8.8.8 8.8.4.4

auto br-storage
iface br-storage inet static
    bridge_stp off
    bridge_waitport 0
    bridge_fd 0
    bridge_ports enp0s3
    address 172.29.244.12
    netmask 255.255.252.0
    gateway 172.29.244.1
    dns-nameservers 8.8.8.8 8.8.4.4