Comment 3 for bug 1458533

Yes, there's a traces of network connectivity issues such as:

./10.109.9.2/var/log/docker-logs/remote/node-5.test.domain.local/install/ks-post.log:2015-05-25T05:19:16.480007+00:00 info: http://mirror.fuel-infra.org/mos/centos-6/mos6.1/updates/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirror.fuel-infra.org'"
./10.109.9.2/var/log/docker-logs/remote/node-5.test.domain.local/install/anaconda.log:2015-05-25T05:15:49.800332+00:00 err: Error downloading treeinfo file: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
./10.109.9.2/var/log/docker-logs/remote/node-5.test.domain.local/install/anaconda.log:2015-05-25T05:15:49.801185+00:00 err: Error downloading treeinfo file: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
./10.109.9.2/var/log/docker-logs/remote/node-3.test.domain.local/install/anaconda.log:2015-05-25T05:15:56.843486+00:00 err: Error downloading treeinfo file: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
./10.109.9.2/var/log/docker-logs/remote/node-3.test.domain.local/install/anaconda.log:2015-05-25T05:15:56.843800+00:00 err: Error downloading treeinfo file: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
./10.109.9.2/var/log/docker-logs/remote/node-2.test.domain.local/install/ks-post.log:2015-05-25T05:19:11.777919+00:00 info: http://mirror.fuel-infra.org/mos/centos-6/mos6.1/updates/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirror.fuel-infra.org'"

it is still reproducible?

Also, 404 errors looks related to improper repomedata http://bugs.centos.org/view.php?id=6277

MOS-linux folks should a take a look into that too.