CI: periodic jobs fail because "no stack found"

All periodic master jobs are failing because the same error:

http://logs.openstack.org/periodic/periodic-tripleo-ci-f22-upgrades/52fa649/console.html
2016-05-29 06:51:22.240 | #################
2016-05-29 06:51:22.240 | tripleo.sh -- Overcloud create started.
2016-05-29 06:51:22.240 | #################
2016-05-29 06:51:33.671 | Deploying templates in the directory /usr/share/openstack-tripleo-heat-templates
2016-05-29 06:51:33.671 | ERROR: The Stack (overcloud-Networks-aotljjw4245a) could not be found.

http://logs.openstack.org/periodic/periodic-tripleo-ci-f22-ha/59be1df/console.html
2016-05-29 06:52:24.437 | #################
2016-05-29 06:52:24.437 | tripleo.sh -- Overcloud create started.
2016-05-29 06:52:24.437 | #################
2016-05-29 06:52:35.942 | ERROR: The Stack (overcloud-Networks-5jowdocxchf5) could not be found.
2016-05-29 06:52:35.943 | Deploying templates in the directory /usr/share/openstack-tripleo-heat-templates

http://logs.openstack.org/periodic/periodic-tripleo-ci-f22-ha/02c9d71/console.html
2016-05-28 06:58:01.372 | #################
2016-05-28 06:58:01.372 | tripleo.sh -- Overcloud create started.
2016-05-28 06:58:01.372 | #################
2016-05-28 06:58:13.411 | Deploying templates in the directory /usr/share/openstack-tripleo-heat-templates
2016-05-28 06:58:13.411 | ERROR: The Stack (overcloud-Networks-5ojkndtpo26g) could not be found.

http://logs.openstack.org/periodic/periodic-tripleo-ci-f22-nonha/9eedfd0/
2016-05-28 06:52:16.208 | #################
2016-05-28 06:52:16.208 | tripleo.sh -- Overcloud deploy
2016-05-28 06:52:16.209 | #################
2016-05-28 06:52:16.209 | You must source a stackrc file for the Undercloud.
2016-05-28 06:52:16.209 | Attempting to source /home/stack/stackrc
2016-05-28 06:52:16.301 | Done
2016-05-28 06:52:16.301 | #################
2016-05-28 06:52:16.301 | tripleo.sh -- Overcloud create started.
2016-05-28 06:52:16.302 | #################
2016-05-28 06:52:27.457 | Deploying templates in the directory /usr/share/openstack-tripleo-heat-templates
2016-05-28 06:52:27.457 | ERROR: The Stack (overcloud-VipConfig-ppwpm7v52uem) could not be found.

http://logs.openstack.org/periodic/periodic-tripleo-ci-f22-nonha/8c51020/console.html
2016-05-29 06:52:21.324 | #################
2016-05-29 06:52:21.324 | tripleo.sh -- Overcloud deploy
2016-05-29 06:52:21.324 | #################
2016-05-29 06:52:21.324 | You must source a stackrc file for the Undercloud.
2016-05-29 06:52:21.324 | Attempting to source /home/stack/stackrc
2016-05-29 06:52:21.394 | Done
2016-05-29 06:52:21.394 | #################
2016-05-29 06:52:21.394 | tripleo.sh -- Overcloud create started.
2016-05-29 06:52:21.394 | #################
2016-05-29 06:52:31.773 | Deploying templates in the directory /usr/share/openstack-tripleo-heat-templates
2016-05-29 06:52:31.774 | ERROR: The Stack (overcloud-VipConfig-5wjtomahqlg4) could not be found.