[ovirt-users] Cannot start VM after reboot an host

Hi list, I cannot start any VM after reboot my hosts on oVirt 3.5.2 and 3.5.2 nodes. It failed on nodes with this error : hread-11544::ERROR::2015-05-27 19:17:42,479::vm::2331::vm.Vm:: (_startUnderlyingVm) vmId=`4e349319-72e1-42ee-a74c-3dbd8ca45e4b`::The vm start process failed Traceback (most recent call last): File "/usr/share/vdsm/virt/vm.py", line 2271, in _startUnderlyingVm File "/usr/share/vdsm/virt/vm.py", line 3335, in _run File "/usr/lib/python2.6/site-packages/vdsm/libvirtconnection.py", line 111, in wrapper File "/usr/lib64/python2.6/site-packages/libvirt.py", line 2709, in createXML libvirtError: internal error Cannot parse sensitivity level in s0 Greetings -- Kevin