<div dir="ltr"><div>Hi <br><br></div><div>I'm trying to run VM using libvirt.xml file and getting following error...<br><br></div><div>virsh start  instance-00000003
</div><div><br>error: Failed to start domain instance-00000003
<br>error: internal error Process exited while reading console log output: failed to launch bridge helper
<br>kvm: -netdev bridge,br=qbr1f2191ce-38,id=hostnet0: Device 'bridge' could not be initialized<br><br><br></div><div>Below is the libvirt.xml file..<br><br>domain type="kvm">
<br>  <uuid>d9f007b9-584f-41c8-a706-e096f354575b</uuid>
<br>  <name>instance-00000003</name>
<br>  <memory>524288</memory>
<br>  <vcpu>1</vcpu>
<br>  <os>
<br>    <type>hvm</type>
<br>    <kernel>/opt/stack/data/nova/instances/d9f007b9-584f-41c8-a706-e096f354575b/kernel</kernel>
<br>    <initrd>/opt/stack/data/nova/instances/d9f007b9-584f-41c8-a706-e096f354575b/ramdisk</initrd>
<br>    <cmdline>root=/dev/vda console=tty0 console=ttyS0</cmdline>
<br>  </os>
<br>  <features>
<br>    <acpi/>
<br>    <apic/>
<br>  </features>
<br>  <clock offset="utc">
<br>    <timer name="pit" tickpolicy="delay"/>
<br>    <timer name="rtc" tickpolicy="catchup"/>
<br>  </clock>
<br>  <devices>
<br>    <disk type="file" device="disk">
<br>      <driver name="qemu" type="qcow2" cache="none"/>
<br>      <source file="/opt/stack/data/nova/instances/d9f007b9-584f-41c8-a706-e096f354575b/disk"/>
<br>      <target bus="virtio" dev="vda"/>
<br>    </disk>
<br>    <interface type="bridge">
<br>      <mac address="fa:16:3e:26:55:ff"/>
<br>      <model type="virtio"/>
<br>      <source bridge="qbr1f2191ce-38"/>
<br>      <target dev="tap1f2191ce-38"/>
<br>      <filterref filter="nova-instance-instance-00000003-fa163e2655ff"/>
<br>    </interface>
<br>    <serial type="file">
<br>      <source path="/opt/stack/data/nova/instances/d9f007b9-584f-41c8-a706-e096f354575b/console.log"/>
<br>    </serial>
<br>    <serial type="pty"/>
<br>  </devices>
<br></domain><br><br><br></div><div>Please help regarding this.<br></div><div><br></div><div>Thanks<br></div><div>Abhishek Jain<br></div></div>