I'm getting this errors when trying to do with ssh method, even though I can run virsh -c qemu+ssh://user@tank4/system list without any problems
2017-04-18 07:24:06,152Z ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.GetVmsNamesFromExternalProviderVDSCommand] (default task-20) [69b6998b-e451-4a9b-8112-d57c8b9e88ec] Command 'GetVmsNamesFromExternalProviderVDSCommand(HostName = tank5, GetVmsFromExternalProviderParameters:{runAsync='true', hostId='aa9ef44e-04e4-4a63-b982-e0ead9a8d497', url='qemu+ssh://test@tank4/system', username='test', originType='KVM', namesOfVms='null'})' execution failed: VDSGenericException: VDSErrorException: Failed to GetVmsNamesFromExternalProviderVDS, error = Cannot recv data: Host key verification failed.: Connection reset by peer, code = 65
2017-04-18 07:18:05,381Z ERROR [org.ovirt.engine.core.bll.GetVmsFromExternalProviderQuery] (default task-52) [bb2db0e0-d0f8-4619-b6a0-8a7efdd06a6c] Exception: org.ovirt.engine.core.common.errors.EngineException: EngineException: org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException: VDSGenericException: VDSErrorException: Failed to GetVmsNamesFromExternalProviderVDS, error = Cannot recv data: Host key verification failed.: Connection reset by peer, code = 65 (Failed with error unexpected and code 16)
at org.ovirt.engine.core.bll.VdsHandler.handleVdsResult(VdsHandler.java:118) [bll.jar:]
at org.ovirt.engine.core.bll.VDSBrokerFrontendImpl.runVdsCommand(VDSBrokerFrontendImpl.java:33) [bll.jar:]
at org.ovirt.engine.core.bll.QueriesCommandBase.runVdsCommand(QueriesCommandBase.java:242) [bll.jar:]
at org.ovirt.engine.core.bll.GetVmsFromExternalProviderQuery.getVmsFromExternalProvider(GetVmsFromExternalProviderQuery.java:46) [bll.jar:]
at org.ovirt.engine.core.bll.GetVmsFromExternalProviderQuery.executeQueryCommand(GetVmsFromExternalProviderQuery.java:40) [bll.jar:]
at org.ovirt.engine.core.bll.QueriesCommandBase.executeCommand(QueriesCommandBase.java:110) [bll.jar:]
at org.ovirt.engine.core.dal.VdcCommandBase.execute(VdcCommandBase.java:33) [dal.jar:]
at org.ovirt.engine.core.bll.executor.DefaultBackendQueryExecutor.execute(DefaultBackendQueryExecutor.java:14) [bll.jar:]
at org.ovirt.engine.core.bll.Backend.runQueryImpl(Backend.java:579) [bll.jar:]
at org.ovirt.engine.core.bll.Backend.runQuery(Backend.java:547) [bll.jar:]
at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source) [:1.8.0_121]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_121]
at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_121]