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

Build failed. https://zuul.opendev.org/t/openstack/buildset/48de0f85001c4fab8a26e44d89b159... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b3394b41018c4251b05fdbfd52a0443b : SUCCESS in 4m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f06446c0bf5b48789c0879e970c0c490 : SUCCESS in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f75de1e1047944dfb49d435a2e50cdf0 : FAILURE in 3m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3299aee0ffc749d2a272376b2d4198f0 : FAILURE in 3m 38s