Hey,
on master (ovirt-3.6) will not be support oVirt Node iso on el6 anymore.
Tolik, please disable the following jobs and remove their definition in the yaml files.
http://jenkins.ovirt.org/user/fabiand/my-views/view/Node/job/ovirt-node_m...
http://jenkins.ovirt.org/user/fabiand/my-views/view/Node/job/ovirt-node_m...
Thanks
fabian