2018-09-10 02:39:41,862-04 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.GetStatsAsyncVDSCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [] Failed in 'Get Host Statistics' method
2018-09-10 02:39:41,862-04 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.GetStatsAsyncVDSCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [] Unexpected return value: Status [code=-32603, message=Internal JSON-RPC error: {'reason': '[Errno 22] Invalid argument'}]
2018-09-10 02:39:41,868-04 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [] EVENT_ID: VDS_BROKER_COMMAND_FAILURE(10,802), VDSM lago-basic-suite-master-host-0 command Get Host Statistics failed: Internal JSON-RPC error: {'reason': '[Errno 22] Invalid argument'}
2018-09-10 02:39:41,874-04 ERROR [org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [] Unable to GetStats: VDSErrorException: VDSGenericException: VDSErrorException: Failed to Get Host Statistics, error = Internal JSON-RPC error: {'reason': '[Errno 22] Invalid argument'}, code = -32603
2018-09-10 02:39:41,874-04 DEBUG [org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [] Exception: org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException: VDSGenericException: VDSErrorException: Failed to Get Host Statistics, error = Internal JSON-RPC error: {'reason': '[Errno 22] Invalid argument'}, code = -32603
        at org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerCommand.createDefaultConcreteException(VdsBrokerCommand.java:81) [vdsbroker.jar:]
        at org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase.createException(BrokerCommandBase.java:223) [vdsbroker.jar:]
        at org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase.proceedProxyReturnValue(BrokerCommandBase.java:193) [vdsbroker.jar:]
        at org.ovirt.engine.core.vdsbroker.vdsbroker.GetStatsAsyncVDSCommand$GetStatsVDSCommandCallback.onFailure(GetStatsAsyncVDSCommand.java:56) [vdsbroker.jar:]
        at org.ovirt.vdsm.jsonrpc.client.JsonRpcClient.lambda$processResponse$0(JsonRpcClient.java:186) [vdsm-jsonrpc-java-client.jar:]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_181]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_181]
        at org.glassfish.enterprise.concurrent.internal.ManagedFutureTask.run(ManagedFutureTask.java:141) [javax.enterprise.concurrent-1.0.jar:]
        at org.glassfish.enterprise.concurrent.internal.ManagedScheduledThreadPoolExecutor$ManagedScheduledFutureTask.access$101(ManagedScheduledThreadPoolExecutor.java:383) [javax.enterprise.concurrent-1.0.jar:]
        at org.glassfish.enterprise.concurrent.internal.ManagedScheduledThreadPoolExecutor$ManagedScheduledFutureTask.run(ManagedScheduledThreadPoolExecutor.java:532) [javax.enterprise.concurrent-1.0.jar:]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [rt.jar:1.8.0_181]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [rt.jar:1.8.0_181]
        at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_181]
        at org.glassfish.enterprise.concurrent.ManagedThreadFactoryImpl$ManagedThread.run(ManagedThreadFactoryImpl.java:250) [javax.enterprise.concurrent-1.0.jar:]
        at org.jboss.as.ee.concurrent.service.ElytronManagedThreadFactory$ElytronManagedThread.run(ElytronManagedThreadFactory.java:78)



2018-09-10 02:45:46,058-0400 ERROR (periodic/0) [virt.periodic.Operation] <vdsm.virt.sampling.HostMonitor object at 0x7f77dc066110> operation failed (periodic:188)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/vdsm/virt/periodic.py", line 186, in __call__
    self._func()
  File "/usr/lib/python2.7/site-packages/vdsm/virt/sampling.py", line 480, in __call__
    stats = hostapi.get_stats(self._cif, self._samples.stats())
  File "/usr/lib/python2.7/site-packages/vdsm/host/api.py", line 49, in get_stats
    decStats = stats.produce(first_sample, last_sample)
  File "/usr/lib/python2.7/site-packages/vdsm/host/stats.py", line 71, in produce
    stats.update(get_interfaces_stats())
  File "/usr/lib/python2.7/site-packages/vdsm/host/stats.py", line 153, in get_interfaces_stats
    return net_api.network_stats()
  File "/usr/lib/python2.7/site-packages/vdsm/network/api.py", line 63, in network_stats
    return netstats.report()
  File "/usr/lib/python2.7/site-packages/vdsm/network/netstats.py", line 31, in report
    stats = link_stats.report()
  File "/usr/lib/python2.7/site-packages/vdsm/network/link/stats.py", line 41, in report
    speed = vlan.speed(i.device)
  File "/usr/lib/python2.7/site-packages/vdsm/network/link/vlan.py", line 36, in speed
    dev_speed = nic.read_speed_using_sysfs(dev_name)
  File "/usr/lib/python2.7/site-packages/vdsm/network/link/nic.py", line 48, in read_speed_using_sysfs
    s = int(f.read())
IOError: [Errno 22] Invalid argument
2018-09-10 02:45:47,679-0400 DEBUG (jsonrpc/0) [jsonrpc.JsonRpcServer] Calling 'Image.delete' in bridge with {u'force': u'false', u'imageID': u'1fd4003c-59dd-4801-ade0-3a86fa85a077', u'postZero': u'false', u'storagepoolID': u'076c136a-01d
1-45cd-97c3-836b34e0cb08', u'storagedomainID': u'daa2a7eb-52db-44a9-81ce-b73391e10c91', u'discard': True} (__init__:329)