from libvirt logs:
<11>Jun 23 14:36:44 node-4 libvirtd: 15888: error : qemuMonitorOpenUnix:309 : failed to connect to monitor socket: No such process
<11>Jun 23 14:36:44 node-4 libvirtd: 15888: error : qemuProcessWaitForMonitor:2052 : internal error: process exited while connecting to monitor: kvm version too old
failed to initialize KVM: Inappropriate ioctl for device
from libvirt logs: Unix:309 : failed to connect to monitor socket: No such process ForMonitor: 2052 : internal error: process exited while connecting to monitor: kvm version too old
<11>Jun 23 14:36:44 node-4 libvirtd: 15888: error : qemuMonitorOpen
<11>Jun 23 14:36:44 node-4 libvirtd: 15888: error : qemuProcessWait
failed to initialize KVM: Inappropriate ioctl for device