Updated openstack/openstack
Project: openstack/neutron  fcdebe6ff0039e1f9ab0937daa12634d185c51c1

Use list copy for events in nova notifier

There is no need to call range() and len() and .pop() for such a
simple task as list copy.

Change-Id: I4d25e0887ba0a7a5c7f49d195e90a7d2818caac2