Comment 9 for bug 1477829

Reviewed: https://review.openstack.org/297041
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=a58e66714e28720b4b0f368afc023421f491735c
Submitter: Jenkins
Branch: stable/kilo

commit a58e66714e28720b4b0f368afc023421f491735c
Author: Kevin Benton <email address hidden>
Date: Thu Aug 27 22:12:48 2015 -0700

    Better message on allowed address pairs error

    Neutron was throwing a 500 error when a non-iterable was passed
    into allowed address pairs. This patch just catches that and
    converts it into a regular badrequest message.

    Closes-Bug: #1477829
    Change-Id: I3c6f55df4912c7a9480fa097988f910b254572fd
    Signed-off-by: Kevin Benton <email address hidden>
    (cherry picked from commit 8c3cb79aa54b0ffcdc840c7e95ab809835d05001)