/etc/network/interfaces for guest and host Linux servers, based on LXC guide at http://teczno.com/s/bhh.

guest-linux-interfaces.txt

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp
  dns-nameservers 8.8.8.8

auto eth1
iface eth1 inet dhcp

host-linux-interfaces.txt

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

##
## The primary and secondary network interfaces are hidden for br0 and br1.
##
#auto eth0
#iface eth0 inet dhcp
#
#auto eth1
#iface eth1 inet static
#  network 10.1.0.0
#	address 10.1.0.2
#	netmask 255.255.255.0

# Added bridge to eth0 per http://wiki.debian.org/LXC/SimpleBridge
auto br0
iface br0 inet dhcp
	dns-nameservers 8.8.8.8
	bridge_ports eth0
	bridge_fd 0
	bridge_maxwait 0

# Added bridge to eth1 per http://wiki.debian.org/LXC/SimpleBridge
auto br1
iface br1 inet static
	network 10.1.0.0
	address 10.1.0.2
	netmask 255.255.255.0
	bridge_ports eth1
	bridge_fd 0
	bridge_maxwait 0