Detect neutron net-changes on reconfigure.
Detect neutron net-changes on reconfigure.

Change-Id: If142c10a4ada373e245e5f0d29026b0e943aaa1b

citrix-openstack/nodepool,seandst/nodepool,Tesora/tesora-nodepool,Tesora/tesora-nodepool,seandst/nodepool,citrix-openstack/nodepool