Hi, running ovirt 4.2.2-6 with firewalld enabled. Failed to HotPlugNicVDS, error = The name org.fedoraproject.FirewallD1 was not provided by any .service files, code = 49 Can’t hot plug any new network interfaces. 30d6c2ab', vmId='20abce62-a558-4aee-b3e3-3fa70f1d1918'}', device='bridge', type='INTERFACE', specParams='[inbound={}, outbound={}]', address='', managed='true', plugged='true', readOnly='false', deviceAlias='', customProperties='[]', snapshotId='null', logicalName='null', hostDevice='null'}'})' execution failed: VDSGenericException: VDSErrorException: Failed to HotPlugNicVDS, error = The name org.fedoraproject.FirewallD1 was not provided by any .service files, code = 49 2018-03-30 20:56:08,620+02 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.HotPlugNicVDSCommand] (default task-106) [e732710] FINISH, HotPlugNicVDSCommand, log id: 210cb07 2018-03-30 20:56:08,620+02 ERROR [org.ovirt.engine.core.bll.network.vm.ActivateDeactivateVmNicCommand] (default task-106) [e732710] Command 'org.ovirt.engine.core.bll.network.vm.ActivateDeactivateVmNicCommand' failed: EngineException: org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException: VDSGenericException: VDSErrorException: Failed to HotPlugNicVDS, error = The name org.fedoraproject.FirewallD1 was not provided by any .service files, code = 49 (Failed with error ACTIVATE_NIC_FAILED and code 49) 2018-03-30 20:56:08,627+02 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-106) [e732710] EVENT_ID: NETWORK_ACTIVATE_VM_INTERFACE_FAILURE(1,013), Failed to plug Network Interface nic3 (VirtIO) to VM v-srv-opt. (User: admin@internal) 2018-03-30 20:56:08,629+02 INFO [org.ovirt.engine.core.bll.CommandCompensator] (default task-106) [e732710] Command [id=0db21508-1eeb-40f5-912e-58af9bb3fa9b]: Compensating NEW_ENTITY_ID of org.ovirt.engine.core.common.businessentities.VmDevice; snapshot: VmDeviceId:{deviceId='6d7a5b68-0eb3-4531-bc06-3aff30d6c2ab', vmId='20abce62-a558-4aee-b3e3-3fa70f1d1918'}. 2018-03-30 20:56:08,630+02 INFO [org.ovirt.engine.core.bll.CommandCompensator] (default task-106) [e732710] Command [id=0db21508-1eeb-40f5-912e-58af9bb3fa9b]: Compensating NEW_ENTITY_ID of org.ovirt.engine.core.common.businessentities.network.VmNetworkStatistics; snapshot: 6d7a5b68-0eb3-4531-bc06-3aff30d6c2ab. 2018-03-30 20:56:08,631+02 INFO [org.ovirt.engine.core.bll.CommandCompensator] (default task-106) [e732710] Command [id=0db21508-1eeb-40f5-912e-58af9bb3fa9b]: Compensating NEW_ENTITY_ID of org.ovirt.engine.core.common.businessentities.network.VmNetworkInterface; snapshot: 6d7a5b68-0eb3-4531-bc06-3aff30d6c2ab. 2018-03-30 20:56:08,638+02 INFO [org.ovirt.engine.core.bll.CommandCompensator] (default task-106) [e732710] Command [id=0db21508-1eeb-40f5-912e-58af9bb3fa9b]: Compensating DELETED_OR_UPDATED_ENTITY of org.ovirt.engine.core.common.businessentities.VmStatic; snapshot: id=20abce62-a558-4aee-b3e3-3fa70f1d1918. 2018-03-30 20:56:08,642+02 INFO [org.ovirt.engine.core.bll.CommandCompensator] (default task-106) [e732710] Command [id=0db21508-1eeb-40f5-912e-58af9bb3fa9b]: Compensating TRANSIENT_ENTITY of org.ovirt.engine.core.common.businessentities.ReleaseMacsTransientCompensation; snapshot: org.ovirt.engine.core.common.businessentities.ReleaseMacsTransientCompensation@581c941c. 2018-03-30 20:56:08,720+02 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-106) [e732710] EVENT_ID: NETWORK_ADD_VM_INTERFACE_FAILED(933), Failed to add Interface nic3 (VirtIO) to VM v-srv-opt. (User: admin@internal)