Hello.
This is the step by step history of commands. The domain "w" is not rinnung.
# virsh list --all
 Id Name                 State
----------------------------------
  - w                    shut off


There are  all NICs on the host system
# virsh nodedev-list --tree | grep -A 18 '+- pci_0000_00_02_0'
  +- pci_0000_00_02_0
  |   |
  |   +- pci_0000_03_00_0
  |   |   |
  |   |   +- net_eth0_2c_76_8a_4f_45_00
  |   |     
  |   +- pci_0000_03_00_1
  |   |   |
  |   |   +- net_eth1_2c_76_8a_4f_45_01
  |   |     
  |   +- pci_0000_03_00_2
  |   |   |
  |   |   +- net_eth2_2c_76_8a_4f_45_02
  |   |     
  |   +- pci_0000_03_00_3
  |       |
  |       +- net_eth3_2c_76_8a_4f_45_03


Dump xml for eht1
# virsh nodedev-dumpxml pci_0000_03_00_1
<device>
  <name>pci_0000_03_00_1</name>
  <parent>pci_0000_00_02_0</parent>
  <driver>
    <name>tg3</name>
  </driver>
  <capability type='pci'>
    <domain>0</domain>
    <bus>3</bus>
    <slot>0</slot>
    <function>1</function>
    <product id='0x1657'>NetXtreme BCM5719 Gigabit Ethernet PCIe</product>
    <vendor id='0x14e4'>Broadcom Corporation</vendor>
    <capability type='virt_functions'>
    </capability>
  </capability>
</device>

Add the host device 
# virsh edit w
...
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <source>
        <address domain='0x0000' bus='0x03' slot='0x00' function='0x1'/>
      </source>
    </hostdev>
...

Dettach  the NIC from host
# virsh nodedev-dettach pci_0000_03_00_1

# virsh start w


The image file of guest OS is not contain a OS, this is only a RAW partition. 
I'm trying to boot the guest with live cd ISO. 
But problem is while running seabios or iPXE (IMHO). Please, see the screenshot.


** Attachment added: "VNC screenshot"
   
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1181777/+attachment/3682131/+files/Screenshot%20of%20QEMU%20%28w%29.png

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You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to qemu-kvm in Ubuntu.
https://bugs.launchpad.net/bugs/1181777

Title:
  kvm: freeze a guest with a NIC PCI passthrough

To manage notifications about this bug go to:
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