Hi, We are failing test 002_bootstrap.add_cluster on 4.1 suite. this is an issue we encountered on 4.2 and we think is related to libvirt. *Link and headline of suspected patches: Patch is not related to the underline issue: * https://gerrit.ovirt.org/#/c/85609/7 - spec: update dependencies for CVE-2017-5754,CVE-2017-5753,CVE-2017-5715 *Link to Job:http://jenkins.ovirt.org/job/ovirt-4.1_change-queue-tester/1527 <http://jenkins.ovirt.org/job/ovirt-4.1_change-queue-tester/1527>Link to all logs:http://jenkins.ovirt.org/job/ovirt-4.1_change-queue-tester/1527/artifact/ <http://jenkins.ovirt.org/job/ovirt-4.1_change-queue-tester/1527/artifact/>(Relevant) error snippet from the log: <error>* File "/usr/lib64/python2.7/unittest/case.py", line 369, in run testMethod() File "/usr/lib/python2.7/site-packages/nose/case.py", line 197, in runTest self.test(*self.arg) File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 129, in wrapped_test test() File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 59, in wrapper return func(get_test_prefix(), *args, **kwargs) File "/home/jenkins/workspace/ovirt-4.1_change-queue-tester/ovirt-system-tests/basic-suite-4.1/test-scenarios/002_bootstrap.py", line 211, in add_cluster add_cluster_4(prefix) File "/home/jenkins/workspace/ovirt-4.1_change-queue-tester/ovirt-system-tests/basic-suite-4.1/test-scenarios/002_bootstrap.py", line 237, in add_cluster_4 cpu_family = prefix.virt_env.get_ovirt_cpu_family() File "/usr/lib/python2.7/site-packages/ovirtlago/virt.py", line 151, in get_ovirt_cpu_family ','.join(cpu_map[host.cpu_vendor].iterkeys()) RuntimeError: Unsupported CPU model: Haswell-noTSX-IBRS. Supported models: IvyBridge,Westmere,Skylake,Penryn,Haswell,Broadwell,Nehalem,Skylake-Client,Broadwell-noTSX,Conroe,SandyBridge,Haswell-noTSX *</error>*