libvirtError: Cannot get interface MTU on 'vdsmbr_YMv4HqCU': No such device

This is the error vdsm reports after a failed migration. You have two bridges defined, ovirtmgmt is up, vdmsbr_YMv4HqCU is down and it looks like a remnant of openvswitch configuration. Can you remove or disable every other interface from Networking tab on affected hosts, and just leave ovirtmgmt bridge and underlying p5p1 interface 10Gbps interface configured? After that, make sure that ovirtmgmt network is tagged as a Live Migration network as shown here:
https://www.ovirt.org/develop/release-management/features/network/migration-network/

Regarding communication issues I've mentioned, your nodes were unresponsive and I've seen from the engine logs several attempts of fencing the nodes just after the live migration failed to complete.

On Fri, Nov 4, 2016 at 8:31 PM, Beckman, Daniel <Daniel.Beckman@ingramcontent.com> wrote:

I’m attaching vdsm.log from the three hyervisors running oVirt Node 4vdsd, captured just after several failed VM migrations. I had stopped iptables on the hosts, and even stopped firewalld on the engine. Here is a snippet from one of the vdsm.log files:

 

jsonrpc.Executor/5::DEBUG::2016-11-04 14:09:49,699::API::591::vds::(migrationCreate) Migration create

Thread-834::DEBUG::2016-11-04 14:09:49,702::vm::692::virt.vm::(_startUnderlyingVm) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Acquiring incoming migration semaphore.

jsonrpc.Executor/5::DEBUG::2016-11-04 14:09:49,703::vm::4385::virt.vm::(waitForMigrationDestinationPrepare) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::migration destination: waiting for VM creation

jsonrpc.Executor/5::DEBUG::2016-11-04 14:09:49,704::vm::4390::virt.vm::(waitForMigrationDestinationPrepare) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::migration destination: waiting 48s for path preparation

jsonrpc.Executor/5::ERROR::2016-11-04 14:09:49,745::vm::4365::virt.vm::(_updateDevicesDomxmlCache) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Alias not found for device type redir during migration at destination host

jsonrpc.Executor/5::ERROR::2016-11-04 14:09:49,745::vm::4365::virt.vm::(_updateDevicesDomxmlCache) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Alias not found for device type redir during migration at destination host

jsonrpc.Executor/5::ERROR::2016-11-04 14:09:49,745::vm::4365::virt.vm::(_updateDevicesDomxmlCache) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Alias not found for device type redir during migration at destination host

jsonrpc.Executor/5::ERROR::2016-11-04 14:09:49,745::vm::4365::virt.vm::(_updateDevicesDomxmlCache) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Alias not found for device type redir during migration at destination host

 

and…

 

Thread-834::ERROR::2016-11-04 14:09:49,855::vm::759::virt.vm::(_startUnderlyingVm) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Failed to start a migration destination vm

Thread-834::INFO::2016-11-04 14:09:49,857::vm::1308::virt.vm::(setDownStatus) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Changed state to Down: VM failed to migrate (code=8)

Thread-834::DEBUG::2016-11-04 14:09:49,857::__init__::208::jsonrpc.Notification::(emit) Sending event {"params": {"ee985ac2-1c53-40a1-a764-6e14799d28ad": {"status": "Down", "timeOffset": "0", "exitReason": 8, "exitMessage": "VM failed to migrate", "exitCode": 1}, "notify_time": 4299218670}, "jsonrpc": "2.0", "method": "|virt|VM_status|ee985ac2-1c53-40a1-a764-6e14799d28ad"}

Thread-834::DEBUG::2016-11-04 14:09:49,858::vm::769::virt.vm::(_startUnderlyingVm) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Releasing incoming migration semaphore

jsonrpc.Executor/4::DEBUG::2016-11-04 14:09:51,607::__init__::554::jsonrpc.JsonRpcServer::(_handle_request) Return 'VM.getMigrationStatus' in bridge with {'status': {'message': 'Fatal error during migration', 'code': 12}, 'progress': 0}

 

On another host:

 

jsonrpc.Executor/6::DEBUG::2016-11-04 14:09:48,378::__init__::555::jsonrpc.JsonRpcServer::(_handle_request) Return 'VM.migrate' in bridge with True

jsonrpc.Executor/6::INFO::2016-11-04 14:09:48,378::__init__::513::jsonrpc.JsonRpcServer::(_serveRequest) RPC call VM.migrate succeeded in 0.01 seconds

Thread-939::DEBUG::2016-11-04 14:09:49,649::migration::188::virt.vm::(_setupVdsConnection) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Initiating connection with destination

Thread-939::DEBUG::2016-11-04 14:09:49,651::migration::200::virt.vm::(_setupVdsConnection) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Destination server is: labvmhostt05.lab.ingram.io:54321

Thread-939::DEBUG::2016-11-04 14:09:49,653::migration::246::virt.vm::(_prepareGuest) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Migration started

Thread-939::DEBUG::2016-11-04 14:09:49,662::guestagent::502::virt.vm::(send_lifecycle_event) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::send_lifecycle_event before_migration called

Thread-939::DEBUG::2016-11-04 14:09:49,662::migration::353::virt.vm::(run) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::migration semaphore acquired after 1 seconds

Thread-939::INFO::2016-11-04 14:09:49,754::migration::407::virt.vm::(_startUnderlyingMigration) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Creation of destination VM took: 0 seconds

Thread-939::INFO::2016-11-04 14:09:49,754::migration::429::virt.vm::(_startUnderlyingMigration) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::starting migration to qemu+tls://labvmhostt05.lab.ingram.io/system with miguri tcp://10.50.3.97

Thread-939::DEBUG::2016-11-04 14:09:49,754::migration::494::virt.vm::(_perform_with_conv_schedule) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::performing migration with conv schedule

Thread-940::DEBUG::2016-11-04 14:09:49,754::migration::620::virt.vm::(run) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::starting migration monitor thread

Thread-940::DEBUG::2016-11-04 14:09:49,755::migration::739::virt.vm::(_execute_action_with_params) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Setting downtime to 100

Thread-939::DEBUG::2016-11-04 14:09:49,834::migration::715::virt.vm::(stop) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::stopping migration monitor thread

Thread-939::ERROR::2016-11-04 14:09:49,834::migration::252::virt.vm::(_recover) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Cannot get interface MTU on 'vdsmbr_YMv4HqCU': No such device

Thread-940::DEBUG::2016-11-04 14:09:49,835::migration::629::virt.vm::(run) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::stopped migration monitor thread

Thread-939::DEBUG::2016-11-04 14:09:49,858::guestagent::502::virt.vm::(send_lifecycle_event) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::send_lifecycle_event after_migration called

Thread-939::ERROR::2016-11-04 14:09:49,872::migration::381::virt.vm::(run) vmId=`ee985ac2-1c53-40a1-a764-6e14799d28ad`::Failed to migrate

  File "/usr/share/vdsm/virt/migration.py", line 363, in run

  File "/usr/share/vdsm/virt/migration.py", line 436, in _startUnderlyingMigration

  File "/usr/share/vdsm/virt/migration.py", line 496, in _perform_with_conv_schedule

    self._perform_migration(duri, muri)

  File "/usr/share/vdsm/virt/migration.py", line 476, in _perform_migration

    self._vm._dom.migrateToURI3(duri, params, flags)

  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1836, in migrateToURI3

jsonrpc.Executor/0::DEBUG::2016-11-04 14:09:59,301::__init__::555::jsonrpc.JsonRpcServer::(_handle_request) Return 'VM.getMigrationStatus' in bridge with {'status': {'message': 'Fatal error during migration', 'code': 12}, 'progress': 0}

 

 

Thanks,

Daniel

 

From: Michal Skrivanek <michal.skrivanek@redhat.com>
Date: Friday, November 4, 2016 at 1:32 PM
To: "Beckman, Daniel" <Daniel.Beckman@ingramcontent.com>
Cc: Ivan Bulatovic <combuster@gmail.com>, users <users@ovirt.org>
Subject: Re: [ovirt-users] oVirt 4.04 Can't Migrate VMs - Cryptic "Migration Failed" Error

 

 

On 4 Nov 2016, at 19:18, Beckman, Daniel <Daniel.Beckman@ingramcontent.com> wrote:

 

Well, I manually created the ovirtmgmt bridge and the hosts came back up fine. I can still run any VM on any oVirt Node 4 host, but I still can’t migrate VMs among them. Not sure what else to check. 

 

can you please post vdsm.log including that migration failure?

there was/is a known firewall service issue, on hosts. did you try to disable firewalld and enable iptables (or manually clear the rules and open it completely) on both source and destination hosts?

 

thanks,

michal




 

From: <users-bounces@ovirt.org> on behalf of "Beckman, Daniel" <Daniel.Beckman@ingramcontent.com>
Date: Friday, November 4, 2016 at 11:57 AM
To: Ivan Bulatovic <combuster@gmail.com>, users <users@ovirt.org>
Subject: Re: [ovirt-users] oVirt 4.04 Can't Migrate VMs - Cryptic "Migration Failed" Error

 

I haven’t fixed the problem but I’ve got a hunch.

 

In oVirt Node 3.6, when you setup network interfaces (in the TUI) it creates a bridge, ovirtmgmt. In oVirt Node (“Next”) 4, there is no such procedure creating that bridge. The “ovirtmgmt” network shows up in the web admin interface for an oVirt Node 4 host, but it shows as not being synced, and when you look on the host itself there is no interface file (ifcfg-ovirtmgmt). If I try to “sync” the network from the web admin portal, this succeeds in breaking communication with the host altogether and I have to go power cycle it.

 

I guess it’s back to manually editing ifcfg files for me. Brings back memories of RHEV 2.2…

 

From: <users-bounces@ovirt.org> on behalf of "Beckman, Daniel" <Daniel.Beckman@ingramcontent.com>
Date: Friday, November 4, 2016 at 10:21 AM
To: Ivan Bulatovic <combuster@gmail.com>, users <users@ovirt.org>
Subject: Re: [ovirt-users] oVirt 4.04 Can't Migrate VMs - Cryptic "Migration Failed" Error

 

Hi Ivan,

 

What do you mean by communication issues? I was able to add them to the engine and everything looks good.  There are no firewalls in between the hosts and the engine, and name resolution is working. These are the same physical hosts used with no problems on oVirt Node 3.6, with the same networking. Is there something in particular I should look for?

 

I tried creating a new VM on that new 4.x cluster and got the same results; can’t migrate. I tried temporarily stopping iptables on the hosts and firewalld on the engine, with no impact.  

 

Here’s what vdsm service shows on one of the oVirt Node 4 hosts:

 

[root@labvmhostt05 ~]# systemctl status vdsmd.service

● vdsmd.service - Virtual Desktop Server Manager

   Loaded: loaded (/usr/lib/systemd/system/vdsmd.service; enabled; vendor preset: enabled)

   Active: active (running) since Thu 2016-11-03 12:44:11 CDT; 21h ago

  Process: 4163 ExecStartPre=/usr/libexec/vdsm/vdsmd_init_common.sh --pre-start (code=exited, status=0/SUCCESS)

Main PID: 4247 (vdsm)

   CGroup: /system.slice/vdsmd.service

           ├─4247 /usr/bin/python /usr/share/vdsm/vdsm

           ├─4428 /usr/libexec/ioprocess --read-pipe-fd 73 --write-pipe-fd 72 --max-threads 10 --max-queued-requests 10

           ├─4461 /usr/libexec/ioprocess --read-pipe-fd 93 --write-pipe-fd 92 --max-threads 10 --max-queued-requests 10

           ├─4469 /usr/libexec/ioprocess --read-pipe-fd 100 --write-pipe-fd 98 --max-threads 10 --max-queued-requests 10

           └─4477 /usr/libexec/ioprocess --read-pipe-fd 109 --write-pipe-fd 108 --max-threads 10 --max-queued-requests 10

 

Nov 03 12:44:28 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm MOM WARNING MOM not available, KSM stats will be missing.

Nov 03 12:44:28 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm root ERROR Report host stats failed

                                                       Traceback (most recent call last):

                                                         File "/usr/lib/python2.7/site-packages/vdsm/host/api.py", line 113, in report_stats...

Nov 03 12:44:28 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm MOM WARNING MOM not available, Policy could not be set.

Nov 03 12:45:42 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm vds.dispatcher ERROR SSL error during reading data: unexpected eof

Nov 03 12:47:33 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm root WARNING File: /var/lib/libvirt/qemu/channels/cddd2019-5baf-4321-aa8b-130b2889d1b0.com.redh...y removed

Nov 03 12:47:33 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm root WARNING File: /var/lib/libvirt/qemu/channels/cddd2019-5baf-4321-aa8b-130b2889d1b0.org.qemu...y removed

Nov 03 12:51:30 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm root WARNING File: /var/lib/libvirt/qemu/channels/68d40cdf-344b-4750-9ddd-9cc5eaef18ec.com.redh...y removed

Nov 03 12:51:30 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm root WARNING File: /var/lib/libvirt/qemu/channels/68d40cdf-344b-4750-9ddd-9cc5eaef18ec.org.qemu...y removed

Nov 04 09:44:43 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm root WARNING File: /var/lib/libvirt/qemu/channels/ee985ac2-1c53-40a1-a764-6e14799d28ad.com.redh...y removed

Nov 04 09:44:43 labvmhostt05.lab.ingram.io vdsm[4247]: vdsm root WARNING File: /var/lib/libvirt/qemu/channels/ee985ac2-1c53-40a1-a764-6e14799d28ad.org.qemu...y removed

 

I attached the vdsm.log from one of the oVirt Node 4 hosts.

 

Thanks,

Daniel

 

 

From: Ivan Bulatovic <combuster@gmail.com>
Date: Thursday, November 3, 2016 at 6:34 PM
To: "Beckman, Daniel" <Daniel.Beckman@ingramcontent.com>
Subject: Re: [ovirt-users] oVirt 4.04 Can't Migrate VMs - Cryptic "Migration Failed" Error

 

Hi Daniel,

from the engine log it seems that your nodes have communication issues with the engine. VDSM logs from the source and destination nodes after the failed migration (or after host fencing) should hold more information that can help you figure out why is this happening. systemctl status vdsmd.service would be interesting also. I would also try to create a new VM on the cluster that contains Node 4 hosts and retry the migration procedure (if everything checks out regarding engine-node network communication).

Regards,

Ivan

 

On Thu, Nov 3, 2016 at 7:52 PM, Beckman, Daniel <Daniel.Beckman@ingramcontent.com> wrote:

I’ve attached the engine.log in compressed form.

 

For whatever it’s worth, I tried moving back two of the oVirt Node 4 hosts to the original (default) cluster that is running in 3.6 compatibility mode. I get the same behavior within that cluster – the hosts running oVirt Node 4 can’t migrate VMs but can start and run them. The hosts running oVirt Node 3 within the same cluster can migrate VMs with no problems.

 

From: "Beckman, Daniel" <Daniel.Beckman@ingramcontent.com>
Date: Thursday, November 3, 2016 at 12:40 PM
To: users <users@ovirt.org>
Subject: oVirt 4.04 Can't Migrate VMs - Cryptic "Migration Failed" Error

 

I recently upgraded from oVirt 3.6 to 4.04. After upgrading the engine, I rebuilt a couple of the hosts with oVirt Node 4.0 and added them to a new cluster for testing in 4.0 compatibility mode.

 

I can run any number of VMs on any of the hosts in this new cluster, by starting them up on a particular host (via ‘run once…”). But I cannot migrate a running VM to another host within the cluster. My networking setup is very simple – just a single 10G

Interface with the default ‘ovirtmgmt’ and everything else running on it. The storage is NFS based. These are the same hosts that were able to migrate under 3.6 just fine. Most hosts are Dell PowerEdge R730 models; 1 is a HP Proliant DL380 G8.

 

My existing cluster of hosts running oVirt Node 3.6 continue to function OK in 3.6 compatibility mode. They can migrate VMs (within that cluster) just fine.

 

When trying to migrate a VM, I get this terse error with no information: “Migration failed.”

 

Engine version:

oVirt Engine Version: 4.0.4.4-1.el7.centos

 

oVirt Node version:

OS Version:

RHEL - 7 - 2.1511.el7.centos.2.10

OS Description:

oVirt Node 4.0.3

 

Any suggestions? I was going to attach my engine.log but it’s too large. Here is part of it:

 

2016-11-03 11:49:59,655 INFO  [org.ovirt.engine.core.bll.storage.pool.ConnectHostToStoragePoolServersCommand] (DefaultQuartzScheduler7) [4f789867] Host 'labvmhostt01' storage connection was succeeded 

2016-11-03 11:49:59,668 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand] (org.ovirt.thread.pool-8-thread-33) [] START, ConnectStoragePoolVDSCommand(HostName = labvmhostt01, ConnectStoragePoolVDSCommandParameters:{runAsync='true', hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', vdsId='c8fe257b-6506-4ef7-8629-2b8d003ae164', storagePoolId='00000001-0001-0001-0001-000000000366', masterVersion='6'}), log id: 4ca9f290

2016-11-03 11:50:00,977 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand] (org.ovirt.thread.pool-8-thread-33) [] FINISH, ConnectStoragePoolVDSCommand, log id: 4ca9f290

2016-11-03 11:50:02,246 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (DefaultQuartzScheduler7) [4f789867] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: Executing power management status on Host labvmhostt01 using Proxy Host labvmhostt05 and Fence Agent ipmilan:labvmhostt01-mgmt.lab.ingram.io.

2016-11-03 11:50:02,247 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (DefaultQuartzScheduler7) [4f789867] START, FenceVdsVDSCommand(HostName = labvmhostt05, FenceVdsVDSCommandParameters:{runAsync='true', hostId='d1a4198b-5889-43b7-85ee-c1f21d1f3db9', targetVdsId='c8fe257b-6506-4ef7-8629-2b8d003ae164', action='STATUS', agent='FenceAgent:{id='6a4bf631-ab8a-434b-839c-3588af862b68', hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', order='1', type='ipmilan', ip='labvmhostt01-mgmt.lab.ingram.io', port='null', user='root', password='***', encryptOptions='false', options='privlvl=OPERATOR

delay=10

lanplus=1'}', policy='null'}), log id: 179d490b

2016-11-03 11:50:03,439 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (DefaultQuartzScheduler7) [4f789867] FINISH, FenceVdsVDSCommand, return: FenceOperationResult:{status='SUCCESS', powerStatus='ON', message=''}, log id: 179d490b

2016-11-03 11:50:03,468 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.SetMOMPolicyParametersVDSCommand] (DefaultQuartzScheduler7) [4f789867] START, SetMOMPolicyParametersVDSCommand(HostName = labvmhostt01, MomPolicyVDSParameters:{runAsync='true', hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164'}), log id: 5e9d2daa

2016-11-03 11:50:04,424 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.SetMOMPolicyParametersVDSCommand] (DefaultQuartzScheduler7) [4f789867] FINISH, SetMOMPolicyParametersVDSCommand, log id: 5e9d2daa

2016-11-03 11:50:04,461 INFO  [org.ovirt.engine.core.bll.hostdev.RefreshHostDevicesCommand] (DefaultQuartzScheduler7) [2bab1a0c] Running command: RefreshHostDevicesCommand internal: true. Entities affected :  ID: c8fe257b-6506-4ef7-8629-2b8d003ae164 Type: VDSAction group MANIPULATE_HOST with role type ADMIN

2016-11-03 11:50:04,463 INFO  [org.ovirt.engine.core.vdsbroker.HostDevListByCapsVDSCommand] (DefaultQuartzScheduler7) [2bab1a0c] START, HostDevListByCapsVDSCommand(HostName = labvmhostt01, VdsIdAndVdsVDSCommandParametersBase:{runAsync='true', hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', vds='Host[labvmhostt01,c8fe257b-6506-4ef7-8629-2b8d003ae164]'}), log id: 578b59c0

2016-11-03 11:50:04,646 INFO  [org.ovirt.engine.core.vdsbroker.HostDevListByCapsVDSCommand] (DefaultQuartzScheduler7) [2bab1a0c] FINISH, HostDevListByCapsVDSCommand, return: [HostDevice:{hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', deviceName='pci_0000_7f_1f_0', parentDeviceName='computer', capability='pci', iommuGroup='null', productName='Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D Power Control Unit', productId='0x6f88', vendorName='Intel Corporation', vendorId='0x8086', parentPhysicalFunction='null', totalVirtualFunctions='null', networkInterfaceName='null', driver='null', assignable='true', vmId='null'}, HostDevice:{hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', deviceName='pci_0000_ff_17_1', parentDeviceName='computer', capability='pci', iommuGroup='null', productName='Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D Memory Controller 1 - Channel 1 Thermal Control', productId='0x6fd1', vendorName='Intel Corporation', vendorId='0x8086', parentPhysicalFunction='null', totalVirtualFunctions='null', networkInterfaceName='null', driver='bdx_uncore', assignable='true', vmId='null'}, HostDevice:{hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', deviceName='pci_0000_7f_1f_2', parentDeviceName='computer', capability='pci', iommuGroup='null', productName='Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D Power Control Unit', productId='0x6f8a', vendorName='Intel Corporation', vendorId='0x8086', parentPhysicalFunction='null', totalVirtualFunctions='null', networkInterfaceName='null', driver='null', assignable='true', vmId='null'}, HostDevice:{hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', deviceName='pci_0000_ff_17_3', parentDeviceName='computer', capability='pci', iommuGroup='null', productName='Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D Memory Controller 1 - Channel 1 Error', productId='0x6fd3', vendorName='Intel Corporation', vendorId='0x8086', parentPhysicalFunction='null', totalVirtualFunctions='null', networkInterfaceName='null', driver='null', assignable='true', vmId='null'}, HostDevice:{hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', deviceName='pci_0000_ff_17_4', parentDeviceName='computer', capability='pci', iommuGroup='null', productName='Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D DDRIO Channel 2/3 Interface', productId='0x6fb8', vendorName='Intel Corporation', vendorId='0x8086', parentPhysicalFunction='null', totalVirtualFunctions='null', networkInterfaceName='null', driver='null', assignable='true', vmId='null'}, HostDevice:{hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', deviceName='pci_0000_ff_17_5', parentDeviceName='computer', capability='pci', iommuGroup='null', productName='Xeon E7 v4/Xeon E5 v4/Xeon E3 v4/Xeon D DDRIO Channel 2/3 Interface', productId='0x6fb9', vendorName='Intel Corporation', vendorId='0x8086', parentPhysicalFunction='null', totalVirtualFunctions='null', networkInterfaceName='null', driver='null', assignable='true', vmId='null'}, HostDevice:{hostId='c8fe257b-6506-4ef7-8629-2b8d003ae164', deviceName='pci_0000_ff_17_6', 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