Hi, MOM 0.4.3 crashes with the following output: # momd -c /etc/momd.conf -r /etc/momd.rules 2015-04-17 15:40:40,592 - mom - INFO - MOM starting 2015-04-17 15:40:40,593 - mom.HostMonitor - INFO - Host Monitor starting 2015-04-17 15:40:40,594 - mom - INFO - hypervisor interface libvirt 2015-04-17 15:40:40,595 - mom - ERROR - Unable to import hypervisor interface: libvirt 2015-04-17 15:40:40,595 - mom.GuestManager - INFO - Guest Manager starting 2015-04-17 15:40:40,596 - mom.GuestManager - INFO - Guest Manager ending 2015-04-17 15:40:40,630 - mom.Policy - INFO - Loaded policy '50_main_' 2015-04-17 15:40:40,631 - mom.PolicyEngine - INFO - Policy Engine starting 2015-04-17 15:40:40,632 - mom.HostMonitor - INFO - HostMonitor is ready 2015-04-17 15:40:40,632 - mom.RPCServer - INFO - RPC Server is disabled 2015-04-17 15:40:40,633 - mom.PolicyEngine - INFO - Policy Engine ending 2015-04-17 15:40:45,633 - mom - INFO - MOM ending # dpkg -l |grep libvirt ii libvirt-bin 1.2.9-9 amd64 programs for the libvirt library ii libvirt-clients 1.2.9-9 amd64 programs for the libvirt library ii libvirt-daemon 1.2.9-9 amd64 programs for the libvirt library ii libvirt-daemon-system 1.2.9-9 amd64 Libvirt daemon configuration files ii libvirt0 1.2.9-9 amd64 library for interfacing with different virtualization systems Any ideas? -- Tiit