Comment 4 for bug 850602

Current git trunk is no problem, libvirt.template.xml in <https://wiki.ubuntu.com/Testing/EnableProposed> needs to be fixed. if anyone has a problem, check below.
[ before ]
  <!-- The order is significant here. File must be defined first -->
        <serial type="pipe">
            <source path='${basepath}/console.fifo'/>
            <target port='1'/>
        </serial>

[ after(current git trunk is same as this) ]
        <!-- The order is significant here. File must be defined first -->
        <serial type="file">
            <source path='${basepath}/console.log'/>
            <target port='1'/>
        </serial>