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1b1ed1a
(Get the code!)
I use the charm at lp:~serge-hallyn/charms/quantal/ovs-lxc to fire up a pair of lxc nodes. The hooks/install file will show how the nodes are set up. Each node has an openvswitch bridge with a gre tunnel with the other node as remote_ip, and a dnsmasq on the master lxc host. It creates containers which have eth1 slaved to the openvswitch bridge.
On precise (using lp:~serge-hallyn/charms/precise/ovs-lxc) this works. Containers on slave nodes get ip addresses from the dnsmasq on the master, and can communicate to each other over the private 192.168.100.x subnet. Precise is using the openvswitch_mod kernel module.
On quantal, which uses the upstream openvswitch kernel module, it does not work. When I create a container on the slave, and run dhclient on its 'eth1' which is slaved to the openvswitch bridge, tcpdump on the slave host shows the queries on ovbr0 (the openvswitch bridge) but not on eth0.