http://jenkins.ovirt.org/job/vdsm_3.5_build-artifacts-el6-x86_64/1/console 

15:30:06 ##! ERROR vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
15:30:06 ##! Last 20 log enties: logs/mocker-epel-6-x86_64.el6.build-artifacts.sh/build-artifacts.sh.log
15:30:06 ##!
15:30:06 checking for gcc option to accept ISO C89... none needed
15:30:06 checking for style of include used by make... GNU
15:30:06 checking dependency style of gcc... gcc3
15:30:06 checking whether ln -s works... yes
15:30:06 checking for a Python interpreter with version >= 2.6... python
15:30:06 checking for python... /usr/bin/python
15:30:06 checking for python version... 2.6
15:30:06 checking for python platform... linux2
15:30:06 checking for python script directory... ${prefix}/lib/python2.6/site-packages
15:30:06 checking for python extension module directory... ${exec_prefix}/lib64/python2.6/site-packages
15:30:06 checking for pyflakes... /usr/bin/pyflakes
15:30:06 checking for pep8... /usr/bin/pep8
15:30:06 checking for python-config... /usr/bin/python-config
15:30:06 checking for nosetests... /usr/bin/nosetests
15:30:06 checking python module: argparse... yes
15:30:06 checking python module: cpopen... yes
15:30:06 checking python module: ethtool... no
15:30:06 configure: error: failed to find required module ethtool