Dear All. I apologize for my double post. I just realize after I write the second one. The first one is posted before I joint the list, it's http://lists.openstack.org/pipermail/openstack-discuss/2018-December/000745.html And the second one is : http://lists.openstack.org/pipermail/openstack-discuss/2018-December/000760.html Sincerely -bino- -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20181210/45735594/attachment.html>