Comment 9 for bug 1984175

adding for context as it isn't mentioned here only on the mailing list

amoralej posted https://review.opendev.org/c/opendev/system-config/+/852793 Use rackspace mirror to sync centos stream repos

the issue is ongoing at time of writing and the mirror has not yet synced.

https://zuul.openstack.org/builds?job_name=tripleo-ci-centos-9-undercloud-upgrade&skip=0

if we merge 852793 it should unblock us