https://github.com/openstack/nova/commit/4660333d0d97d8e00cf290ea1d4ed932f5edc1dc#diff-978b9f8734365934eaf8fbb01f11a7d7L624
https:/ /github. com/openstack/ nova/commit/ 4660333d0d97d8e 00cf290ea1d4ed9 32f5edc1dc# diff-978b9f8734 365934eaf8fbb01 f11a7d7L624