Adicionando console de porta serial no guest xml em kvm ou RHEV

Adicionando console de porta serial no guest xml em kvm ou RHEV

Como adicionar console serial no código abaixo. Ao tentar adicionar, recebo um erro "somente o primeiro console pode ser uma porta serial"

</controller>
    <controller type='usb' index='0' model='piix3-uhci'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'/>
    <interface type='bridge'>
      <mac address='00:1a:4a:16:01:0f'/>
      <source bridge='XMI'/>
      <model type='virtio'/>
      <driver name='vhost' queues='5'/>
      <filterref filter='vdsm-no-mac-spoofing'/>
      <link state='up'/>
      <alias name='ua-07767369-9064-45ad-b79c-ec83f89c9141'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </interface>
    <interface type='bridge'>
      <mac address='00:1a:4a:16:01:10'/>
      <source bridge='IMI'/>
      <model type='virtio'/>
      <driver name='vhost' queues='5'/>
      <filterref filter='vdsm-no-mac-spoofing'/>
      <link state='up'/>
      <alias name='ua-b66ab5d7-d9e8-4d3c-81dc-c004b9be7b34'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </interface>
    <channel type='unix'>
      <source mode='bind' path='/var/lib/libvirt/qemu/channels/125f6f93-d3d9-42b5-968d-a0f8b9346320.ovirt-guest-agent.0'/>
      <target type='virtio' name='ovirt-guest-agent.0'/>
      <address type='virtio-serial' controller='0' bus='0' port='1'/>
    </channel>
    <channel type='unix'>
      <source mode='bind' path='/var/lib/libvirt/qemu/channels/125f6f93-d3d9-42b5-968d-a0f8b9346320.org.qemu.guest_agent.0'/>
      <target type='virtio' name='org.qemu.guest_agent.0'/>
      <address type='virtio-serial' controller='0' bus='0' port='2'/>
    </channel>
    <channel type='spicevmc'>
      <target type='virtio' name='com.redhat.spice.0'/>
      <address type='virtio-serial' controller='0' bus='0' port='3'/>
    </channel>

Eu estava tentando adicionar o arquivo xml convidado acima:

<console type='pty'>
<target type='serial' port='0'/>
<alias name='serial0' />
</console>

informação relacionada