# The primary network interface
auto eth0
iface eth0 inet manual

# add bridge ports
auto br0
iface br0 inet static
        address         10.33.6.150
        network         10.33.6.0
        netmask         255.255.255.0
        broadcast       10.33.6.255
        gateway         10.33.6.1
        bridge_ports    eth0
        bridge_fd       9
        bridge_hello    2
        bridge_maxage   12
        bridge_stop     off