Hi, We failed test 005_network_by_label.assign_hosts_network_label for basic suite in project ovirt-image-uploader. The issue seems to be related to object lock on host and patch reported is not related to the issue. *Link and headline of suspected patches: Patch not related at all to error* *Link to Job:http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/5243/ <http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/5243/>Link to all logs:http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/5243/artifact/ <http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/5243/artifact/>(Relevant) error snippet from the log: <error><JsonRpcRequest id: "4e9d7060-c523-4e66-9ace-dc8733954404", method: Host.getCapabilities, params: {}>2018-02-02 08:11:40,131-05 INFO [org.ovirt.engine.core.bll.network.host.LabelNicCommand] (default task-5) [099e3ef6-4372-42a9-a360-1351ec66a64b] Running command: LabelNicCommand internal: false. Entities affected : ID: 21b0c975-26f8-47a4-b5d0-cad0d41a9133 Type: VDSAction group CONFIGURE_HOST_NETWORK with role type ADMIN2018-02-02 08:11:40,139-05 INFO [org.ovirt.engine.core.bll.network.host.HostSetupNetworksCommand] (default task-5) [5c5509c0] Failed to Acquire Lock to object 'EngineLock:{exclusiveLocks='[HOST_NETWORK21b0c975-26f8-47a4-b5d0-cad0d41a9133=HOST_NETWORK]', sharedLocks=''}'2018-02-02 08:11:40,139-05 WARN [org.ovirt.engine.core.bll.network.host.HostSetupNetworksCommand] (default task-5) [5c5509c0] Validation of action 'HostSetupNetworks' failed for user admin@internal-authz. Reasons: VAR__ACTION__SETUP,VAR__TYPE__NETWORKS,ACTION_TYPE_FAILED_SETUP_NETWORKS_OR_REFRESH_IN_PROGRESS2018-02-02 08:11:40,151-05 DEBUG [org.ovirt.engine.core.dal.dbbroker.PostgresDbEngineDialect$PostgresSimpleJdbcCall] (default task-5) [5c5509c0] Compiled stored procedure. Call string is [{call get_entity_snapshot_by_command_id(?)}]2018-02-02 08:11:40,151-05 DEBUG [org.ovirt.engine.core.dal.dbbroker.PostgresDbEngineDialect$PostgresSimpleJdbcCall] (default task-5) [5c5509c0] SqlCall for procedure [get_entity_snapshot_by_command_id] compiled2018-02-02 08:11:40,161-05 ERROR [org.ovirt.engine.core.bll.network.host.LabelNicCommand] (default task-5) [5c5509c0] Transaction rolled-back for command 'org.ovirt.engine.core.bll.network.host.LabelNicCommand'.2018-02-02 08:11:40,165-05 DEBUG [org.ovirt.engine.core.common.di.interceptor.DebugLoggingInterceptor] (default task-5) [5c5509c0] method: get, params: [21b0c975-26f8-47a4-b5d0-cad0d41a9133], timeElapsed: 3ms2018-02-02 08:11:40,168-05 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-5) [5c5509c0] EVENT_ID: LABEL_NIC_FAILED(1,137), Failed to label network interface card eth0 with label NETWORK_LABEL on host lago-basic-suite-master-host-1.2018-02-02 08:11:40,169-05 DEBUG [org.ovirt.engine.core.common.di.interceptor.DebugLoggingInterceptor] (default task-5) [5c5509c0] method: runAction, params: [LabelNic, LabelNicParameters:{commandId='aa8eb85e-8a30-4045-83f2-8f0516ec13c9', user='null', commandType='Unknown'}], timeElapsed: 54ms2018-02-02 08:11:40,175-05 ERROR [org.ovirt.engine.api.restapi.resource.AbstractBackendResource] (default task-5) [] Operation Failed: [Cannot add Label. Another Setup Networks or Host Refresh process in progress on the host. Please try later.]2018-02-02 08:11:40,230-05 DEBUG [org.ovirt.vdsm.jsonrpc.client.reactors.stomp.impl.Message] (SSL Stomp Reactor) [27fdfc30] MESSAGEcontent-length:10956destination:jms.topic.vdsm_responsescontent-type:application/jsonsubscription:37ef61dd-f4d0-4067-b563-1e2c04f2d2b8</error>*