Clark Boylan f89936e1ac Setup multinode interfaces on singlenode n-net ...

Because nova net takes over eth0 by default and slurps it into br100
there are corner cases where this will break funny existing network
setups. One example is where the VMs default route is not within the
network assigned to eth0.

Work around this by using the overlay networking with nova net always.
We will create an ovs gre bridge that is a bridge to nowhere. But nova
net can connect to that and not break the existing networking.

Change-Id: Ia8af343b17e05191e47dc7f3969aeaf19a443da6

2015-09-25 15:48:37 -07:00

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