auto br-mgmt
iface br-mgmt inet static
    bridge_stp off
    bridge_waitport 0
    bridge_fd 0
    bridge_ports enp0s3
    address 10.0.2.101
    netmask 255.255.255.0
    gateway 10.0.2.1
    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 10.0.2.111
    netmask 255.255.255.0
    gateway 10.0.2.1
    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 10.0.2.121
    netmask 255.255.255.0
    gateway 10.0.2.1
    dns-nameservers 8.8.8.8 8.8.4.4