Comment 3 for bug 1940444

It appears that it may be related to gem fetching as we've had successes and failures at the same time.

success:
https://d577db2ea57b9d8a736d-81f5bdc305f07952152aeb2bf24e3c59.ssl.cf1.rackcdn.com/804825/1/gate/puppet-openstack-unit-7.5-centos-8-stream/a6b578e/job-output.txt

fail:
https://storage.bhs.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_574/730878/2/check/puppet-openstack-unit-7.5-centos-8-stream/574ba66/job-output.txt

2021-08-18 12:24:13.541836 | centos-8-stream | Retrying download gem from https://rubygems.org/ due to error (2/4): Gem::RemoteFetcher::UnknownHostError timed out (https://rubygems.org/gems/little-plugger-1.1.4.gem)

it's resolving pathspec 1.0.0 which doesn't work on ruby 2.5