Comment 3 for bug 1818060

Reopening this bug. We hit the port failures when the stack list is clean.
Possibly while one stack is created while another is being deleted.
Reopening to monitor this.

example: https://logs.rdoproject.org/08/653408/1/openstack-check/tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset001/5c9b021/logs/undercloud/home/zuul/overcloud_deploy.log.txt.gz#_2019-04-17_13_07_08