Updated openstack/openstack
Project: openstack/cinder  7a2386502a39dc2f14725cf5ed2d76fb92aff42c

Fix confusing exception message in NetApp iscsi driver

Fix confusing exception message when no target details
are returned on volume attach.

Change-Id: Ib5fe15a4a6be14a20b1ae446b8b57737b50e9aeb
Closes-Bug: 1366816