Hi, I am getting a NPE on master : 2016-06-13 11:25:34,356 WARN [org.ovirt.engine.core.vdsbroker.VdsManager] (DefaultQuartzScheduler5) [] Failed to refresh VDS , vds = '10.35.18.204' : 'b073bad3-a22f-4913-b290-877872582ee0', error = 'null', continuing. 2016-06-13 11:25:34,356 ERROR [org.ovirt.engine.core.vdsbroker.VdsManager] (DefaultQuartzScheduler5) [] Exception: java.lang.NullPointerException at org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder.getSwitchType(VdsBrokerObjectsBuilder.java:2159) [vdsbroker.jar:] at org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder.addHostNetworksAndUpdateInterfaces(VdsBrokerObjectsBuilder.java:1774) [vdsbroker.jar:] at org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder.updateNetworkData(VdsBrokerObjectsBuilder.java:1727) [vdsbroker.jar:] at org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder.updateVDSDynamicData(VdsBrokerObjectsBuilder.java:872) [vdsbroker.jar:] at org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand.executeVdsBrokerCommand(GetCapabilitiesVDSCommand.java:17) [vdsbroker.jar:] Any clues ? Thanks, Freddy