Comment 8 for bug 1840616

 TASK [Sync cached facts] *******************************************************
takes a long time in the jobs that timeout.

Examples:

http://logs.rdoproject.org/41/678141/3/openstack-check/tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset035/c558c7b/logs/undercloud/home/zuul/overcloud_deploy.log.txt.gz

2019-08-23 15:38:22 | changed: [overcloud-controller-1 -> 192.168.24.21] => {
2019-08-23 15:38:22 | "changed": true,
2019-08-23 15:59:04 | "cmd": "/bin/rsync --delay-updates -F --compress --archive --out-format=<<CHANGED>>%i %n%L /opt/puppetlabs/Overcloud configuration failed.
2019-08-23 15:59:04 | /var/lib/container-puppet/puppetlabs/",
2019-08-23 15:59:04 | "rc": 0
2019-08-23 15:59:04 | }
2019-08-23 15:59:04 |
2019-08-23 15:59:04 | MSG:

https://logs.rdoproject.org/82/21882/4/check/tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset001-master-vexxhost/9483159/logs/undercloud/home/zuul/overcloud_deploy.log.txt.gz#_2019-08-23_02_24_55

2019-08-23 02:15:32 | skipping: [overcloud-controller-0] => {
2019-08-23 02:24:55 | Overcloud configuration failed.
2019-08-23 02:24:55 | "changed": false,
2019-08-23 02:24:55 | "skip_reason": "Conditional result was False"
2019-08-23 02:24:55 | }

Maybe this change impacted it:
https://github.com/openstack/tripleo-heat-templates/commit/9581614e9353576c6a7b83136793631473851b31