Updated openstack/openstack
Project: openstack/nova  b40f2d79aa07cdc970184c5e8611e450737fa9eb
null
DB: logging exceptions should use save_and_reraise

Commit 384cce84fde784f9e2f39db49502c66e20ff0b4c added logging of an
exception. This should be done under save_and_reraise.

Change-Id: Ib0d29ac8c51c6df9ad27d75a06b2c8ce66182e0c