I can reproduce this bug also on Ubuntu 16.04 with libvirt.
The interesting thing is that this bug triggers faster,
if I use tunneled migration instead direct.
Using the virt-manager for migration.
The test VM is a Win10 with virtio driver from fedora 0.1.118.
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh edit win10-1
or other application using the libvirt API.
-->
I can reproduce this bug also on Ubuntu 16.04 with libvirt.
The interesting thing is that this bug triggers faster,
if I use tunneled migration instead direct.
Using the virt-manager for migration.
The test VM is a Win10 with virtio driver from fedora 0.1.118.
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh edit win10-1
or other application using the libvirt API.
-->
<domain type='kvm'> win10-1< /name> 4b3533c1- 20d4-4556- 9d99-4fb3d04b19 dc</uuid> >2097152< /memory> >2097152< /currentMemory> 'static' >6</vcpu> 'pc-i440fx- wily'>hvm< /type> 'allow' >Haswell- noTSX</ model> 'catchup' /> 'delay' /> destroy< /on_poweroff> restart< /on_reboot> restart< /on_crash> to-disk enabled='no'/> /usr/bin/ kvm-spice< /emulator> mnt/traini3/ vm-win10- 1.qcow2' /> mnt/nasi/ template/ iso/Win10_ EnglishInternat ional_x64. iso'/> mnt/nasi/ template/ iso/virtio- win-0.1. 118.iso' /> 'on'/> virtio- scsi'> '52:54: 00:2e:4f: ea'/>
<name>
<uuid>
<memory unit='KiB'
<currentMemory unit='KiB'
<vcpu placement=
<os>
<type arch='x86_64' machine=
</os>
<features>
<acpi/>
<apic/>
<hyperv>
<relaxed state='on'/>
<vapic state='on'/>
<spinlocks state='on' retries='8191'/>
</hyperv>
</features>
<cpu mode='custom' match='exact'>
<model fallback=
<topology sockets='1' cores='6' threads='1'/>
</cpu>
<clock offset='localtime'>
<timer name='rtc' tickpolicy=
<timer name='pit' tickpolicy=
<timer name='hpet' present='no'/>
<timer name='hypervclock' present='yes'/>
</clock>
<on_poweroff>
<on_reboot>
<on_crash>
<pm>
<suspend-to-mem enabled='no'/>
<suspend-
</pm>
<devices>
<emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none' io='threads'/>
<source file='/
<target dev='sda' bus='scsi'/>
<boot order='1'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw'/>
<source file='/
<target dev='hdb' bus='ide'/>
<readonly/>
<boot order='2'/>
<address type='drive' controller='0' bus='0' target='0' unit='1'/>
</disk>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw' cache='none'/>
<source file='/
<target dev='hdc' bus='ide'/>
<readonly/>
<boot order='3'/>
<address type='drive' controller='0' bus='1' target='0' unit='0'/>
</disk>
<controller type='usb' index='0' model='ich9-ehci1'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x7'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci1'>
<master startport='0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0' multifunction=
</controller>
<controller type='usb' index='0' model='ich9-uhci2'>
<master startport='2'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x1'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci3'>
<master startport='4'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x2'/>
</controller>
<controller type='scsi' index='0' model='
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</controller>
<controller type='ide' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<controller type='pci' index='0' model='pci-root'/>
<interface type='bridge'>
<mac address=
<source bridge='vmbr0'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0'>
<listen type='address' address='0.0.0.0'/>
</graphics>
<video>
<model type='cirrus' vram='16384' heads='1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
</memballoon>
</devices>
</domain>