Updated openstack/openstack
Project: openstack/neutron  288da5c03a083dbd0205d1170d64c4e8cbaae4f7

linuxbridge-agent: make vxlan unicast check more efficent

A list with the full range of vxlan VNIs (1 to 2**24) was using
over 300MB of memory. This patch uses xrange instead of range.

Closes-Bug: #1393362
Change-Id: I21ccab758e7911712690fd5e732f64361e809264