# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet static
      address 0.0.0.0
      netmask 255.0.0.0

# The second network interface
auto eth1
iface eth1 inet static
      address 0.0.0.0
      netmask 255.0.0.0

# The bridge
auto br0
iface br0 inet static
      adress 192.168.0.4
      netmask 255.255.255.0
      broadcast 192.168.0.255
      gateway 192.168.0.1
bridge_ports eth0 eth1