[Openstack-stable-maint] Stable check of x/vmware-nsx failed

Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/opendev.org/x/vmware-nsx/stable/pi... : RETRY_LIMIT in 5m 28s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/opendev.org/x/vmware-nsx/stable/pi... : FAILURE in 5m 10s - openstack-tox-py35 http://logs.openstack.org/periodic-stable/opendev.org/x/vmware-nsx/stable/pi... : FAILURE in 5m 27s