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

Build failed. https://zuul.opendev.org/t/openstack/buildset/f7f3efd8de9c4f628ce5a7c0cce66a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d12c48d6799b493cb9c6b37da025d765 : TIMED_OUT in 30m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b48f91340a004ff7ac88593b6e867d3c : SUCCESS in 3m 20s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/b1b6368965a84ccb8e131cea9f5d5d10 : TIMED_OUT in 40m 49s