== Comment: #1 - SEETEENA THOUFEEK <email address hidden> - 2017-01-17 00:09:16 ==
Bala, Please mail me the machine information.
== Comment: #3 - SEETEENA THOUFEEK <email address hidden> - 2017-01-17 02:14:06 ==
2017-01-16 12:09:37.707+0000: 7024: info : virSecurityDACRestoreFileLabelInternal:388 : Restoring DAC user and group on '/var/tmp/bala'
2017-01-16 12:09:37.707+0000: 7024: info : virSecurityDACSetOwnershipInternal:290 : Setting DAC user and group on '/var/tmp/bala' to '0:0'
2017-01-16 12:09:37.707+0000: 7024: warning : qemuDomainSaveImageStartVM:6750 : failed to restore save state label on /var/tmp/bala
2017-01-16 12:09:37.707+0000: 7024: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x3fff4ca62b00
2017-01-16 12:09:37.707+0000: 7024: debug : qemuDomainObjEndAsyncJob:1848 : Stopping async job: start (vm=0x3fff4ca535c0 name=virt-tests-vm1-bala)
2017-01-16 12:09:37.707+0000: 7024: info : virObjectRef:296 : OBJECT_REF: obj=0x3fff4ca62b00
2017-01-16 12:09:37.707+0000: 7024: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x3fff4ca62b00
2017-01-16 12:09:37.707+0000: 7024: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x3fff4ca535c0
2017-01-16 12:09:37.707+0000: 7024: debug : virThreadJobClear:121 : Thread 7024 (virNetServerHandleJob) finished job remoteDispatchDomainRestore with ret=-1
2017-01-16 12:09:37.707+0000: 7024: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x3fff7c002c10
2017-01-16 12:09:37.707+0000: 7024: debug : virNetServerProgramSendError:153 : prog=536903814 ver=1 proc=54 type=1 serial=4 msg=0x100133d2590 rerr=0x3fffa59be3c0
2017-01-16 12:09:37.707+0000: 7024: debug : virNetMessageEncodePayload:376 : Encode length as 172
2017-01-16 12:09:37.707+0000: 7024: debug : virNetServerClientSendMessageLocked:1399 : msg=0x100133d2590 proc=54 len=172 offset=0
2017-01-16 12:09:37.707+0000: 7024: info : virNetServerClientSendMessageLocked:1407 : RPC_SERVER_CLIENT_MSG_TX_QUEUE: client=0x100133d23c0 len=172 prog=536903814 vers=1 proc=54 type=1 status=1 serial=4
2017-01-16 12:09:37.707+0000: 7024: debug : virNetServerClientCalculateHandleMode:157 : tls=(nil) hs=-1, rx=0x100133d0670 tx=0x100133d2590
2017-01-16 12:09:37.707+0000: 7024: debug : virNetServerClientCalculateHandleMode:192 : mode=3
2017-01-16 12:09:37.707+0000: 7024: info : virEventPollUpdateHandle:152 : EVENT_POLL_UPDATE_HANDLE: watch=417 events=3
2017-01-16 12:09:37.707+0000: 7024: debug : virEventPollInterruptLocked:727 : Interrupting
2017-01-16 12:09:37.707+0000: 7024: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x3fff7c002c10
2017-01-16 12:09:37.707+0000: 7024: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x100133caea0
2017-01-16 12:09:37.707+0000: 7024: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x100133d23c0
.
2017-01-16 12:14:28.445+0000: 7019: info : qemuMonitorJSONIOProcessLine:201 : QEMU_MONITOR_RECV_EVENT: mon=0x3fff94004d90 event={"timestamp": {"seconds": 1484568868, "microseconds": 444620}, "event": "MIGRATION", "data": {"status": "failed"}}
2017-01-16 12:14:28.445+0000: 7019: debug : qemuMonitorJSONIOProcessEvent:147 : mon=0x3fff94004d90 obj=0x100133b5670
2017-01-16 12:14:28.445+0000: 7019: debug : virJSONValueToString:1762 : object=0x100133a8000
2017-01-16 12:14:28.445+0000: 7019: debug : virJSONValueToStringOne:1691 : object=0x100133a8000 type=0 gen=0x100133d1160
2017-01-16 12:14:28.445+0000: 7019: debug : virJSONValueToStringOne:1691 : object=0x100133d2a80 type=2 gen=0x100133d1160
2017-01-16 12:14:28.445+0000: 7019: debug : virJSONValueToString:1795 : result={"status":"failed"}
2017-01-16 12:14:28.445+0000: 7019: debug : qemuMonitorEmitEvent:1218 : mon=0x3fff94004d90 event=MIGRATION
2017-01-16 12:14:28.445+0000: 7019: info : virObjectRef:296 : OBJECT_REF: obj=0x3fff94004d90
2017-01-16 12:14:28.445+0000: 7019: debug : qemuProcessHandleEvent:629 : vm=0x3fff4ca535c0
2017-01-16 12:14:28.445+0000: 7019: info : virObjectNew:202 : OBJECT_NEW: obj=0x100133d2870 classname=virDomainQemuMonitorEvent
2017-01-16 12:14:28.445+0000: 7019: debug : virObjectEventNew:645 : obj=0x100133d2870
2017-01-16 12:14:28.445+0000: 7019: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x100133d2870
2017-01-16 12:14:28.445+0000: 7019: info : virObjectUnref:261 : OBJECT_DISPOSE: obj=0x100133d2870
2017-01-16 12:14:28.445+0000: 7019: debug : virDomainQemuMonitorEventDispose:477 : obj=0x100133d2870
2017-01-16 12:14:28.445+0000: 7019: debug : virObjectEventDispose:121 : obj=0x100133d2870
2017-01-16 12:14:28.445+0000: 7019: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x3fff94004d90
2017-01-16 12:14:28.445+0000: 7019: debug : qemuMonitorJSONIOProcessEvent:172 : handle MIGRATION handler=0x3fff9d7247e0 data=0x100133a8000
2017-01-16 12:14:28.445+0000: 7019: debug : qemuMonitorEmitMigrationStatus:1488 : mon=0x3fff94004d90, status=failed
2017-01-16 12:14:28.445+0000: 7019: info : virObjectRef:296 : OBJECT_REF: obj=0x3fff94004d90
2017-01-16 12:14:28.445+0000: 7019: debug : qemuProcessHandleMigrationStatus:1502 : Migration of domain 0x3fff4ca535c0 virt-tests-vm1-bala changed state to failed
2017-01-16 12:14:28.445+0000: 7019: info : virObjectUnref:259 : OBJECT_UNREF: obj=0x3fff94004d90
2017-01-16 12:14:28.445+0000: 7019: debug : qemuMonitorJSONIOProcess:255 : Total used 232 bytes out of 232 available in buffer
2017-01-16 12:14:28.445+0000: 7019: info : virEventPollUpdateHandle:152 : EVENT_POLL_UPDATE_HANDLE: watch=430 events=13
2017-01-16 12:14:28.445+0000: 7023: error : qemuMigrationCheckJobStatus:2641 : operation failed: job: unexpectedly failed
this is an apparmor issue and there is no libvirt bug here.
The title says 16.04.2 but the ticket is tagged as 16.04.3.
Did you saw this happened on .2 or .3?
In case you are on .2 please do an upgrade to .3 and try again on the latest level.