Comment 10 for bug 1929745

Hello,

Issue reproduced in test patch even which using older cloud-int:-

 https://logserver.rdoproject.org/61/33961/2/check/tripleo-ci-centos-8-ovb-3ctlr_1comp-featureset001-1/6334684/logs/undercloud/home/zuul/overcloud_deploy.log.txt.gz
 ~~~
 2021-06-03 07:30:42 | 2021-06-03 07:30:42.201383 | fa163e84-a8f3-8bc3-3d73-00000000003d | FATAL | Wait for connection to become available | 192.168.24.21 | error={"changed": false, "elapsed": 2418, "msg": "timed out waiting for ping module test success: Data could not be sent to remote host \"192.168.24.21\". Make sure this host can be reached over ssh: ssh: connect to host 192.168.24.21 port 22: No route to host\r\n"}
~~~

https://logserver.rdoproject.org/61/33961/2/check/tripleo-ci-centos-8-ovb-3ctlr_1comp-featureset001-1/6334684/logs/overcloud-controller-1/var/log/extra/package-list-installed.txt.gz
~~~
cloud-init.noarch 20.3-10.el8 @quickstart-centos-appstreams
~~~

temporary to test old cloud-int we used below patches as depends-On:

https://review.opendev.org/c/openstack/diskimage-builder/+/794395 and https://review.opendev.org/c/openstack/tripleo-quickstart/+/794225