[Openstack-stable-maint] Stable check of openstack/glance for ref refs/heads/stable/xena failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/b42bbb8f2d364951bcf845912b9579... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f1fc15aa8f594cb3846c8a348587c45a : SUCCESS in 7m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3f6893da538a4f85ab964a6d95264f70 : POST_FAILURE in 6m 35s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/0f3e1f4f02714f61ae02d6987935e116 : SUCCESS in 5m 31s