[libvirt-users] bridge could not be initialized

[abhishek jain]

Hi

I'm trying to run VM using libvirt.xml file and getting following error...

virsh start instance-00000003

error: Failed to start domain instance-00000003
error: internal error Process exited while reading console log output:
failed to launch bridge helper
kvm: -netdev bridge,br=qbr1f2191ce-38,id=hostnet0: Device 'bridge' could
not be initialized


Below is the libvirt.xml file..

domain type="kvm">
  <uuid>d9f007b9-584f-41c8-a706-e096f354575b</uuid>
  <name>instance-00000003</name>
  <memory>524288</memory>
  <vcpu>1</vcpu>
  <os>
    <type>hvm</type>

<kernel>/opt/stack/data/nova/instances/d9f007b9-584f-41c8-a706-e096f354575b/kernel</kernel>


<initrd>/opt/stack/data/nova/instances/d9f007b9-584f-41c8-a706-e096f354575b/ramdisk</initrd>

    <cmdline>root=/dev/vda console=tty0 console=ttyS0</cmdline>
  </os>
  <features>
    <acpi/>
    <apic/>
  </features>
  <clock offset="utc">
    <timer name="pit" tickpolicy="delay"/>
    <timer name="rtc" tickpolicy="catchup"/>
  </clock>
  <devices>
    <disk type="file" device="disk">
      <driver name="qemu" type="qcow2" cache="none"/>
      <source
file="/opt/stack/data/nova/instances/d9f007b9-584f-41c8-a706-e096f354575b/disk"/>

      <target bus="virtio" dev="vda"/>
    </disk>
    <interface type="bridge">
      <mac address="fa:16:3e:26:55:ff"/>
      <model type="virtio"/>
      <source bridge="qbr1f2191ce-38"/>
      <target dev="tap1f2191ce-38"/>
      <filterref filter="nova-instance-instance-00000003-fa163e2655ff"/>
    </interface>
    <serial type="file">
      <source
path="/opt/stack/data/nova/instances/d9f007b9-584f-41c8-a706-e096f354575b/console.log"/>

    </serial>
    <serial type="pty"/>
  </devices>
</domain>


Please help regarding this.

Thanks
Abhishek Jain
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