Build failed in Jenkins: precise-server-amd64_virtual-host #196

[Jenkins Notification]

See <http://10.189.74.2:8080/job/precise-server-amd64_virtual-host/196/>

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Started by upstream project "precise-server-amd64_default" build number 190
Building remotely on alderamin
[precise-server-amd64_virtual-host] $ /bin/bash /tmp/hudson4115699027918260834.sh
INFO:root:Checking/Downloading current build for variant server from http://cdimage.ubuntu.com/ubuntu-server/precise/daily
INFO:root:Required ISO version 'precise-server-amd64.iso' already in cache
[precise-server-amd64_virtual-host] $ /bin/bash /tmp/hudson5779821116795054296.sh
You have not informed bzr of your Launchpad ID, and you must do this to
write to Launchpad or access private data.  See "bzr help launchpad-login".
Branched 270 revisions.
DEBUG:root:Options: {'isoroot': '/var/lib/ubuntu-iso-testing/isos', 'isoname': False, 'test_dir': '<http://10.189.74.2:8080/job/precise-server-amd64_virtual-host/196/artifact/tests',> 'variant': 'server', 'release': 'precise', 'debug': False, 'flavor': 'ubuntu-server', 'arch': 'amd64'}
DEBUG:root:Arguments: ['virtual-host']
INFO:root:Preseed: virtual-host
INFO:root:Extracting kernel and initrd from /var/lib/ubuntu-iso-testing/isos/ubuntu-server/precise-server-amd64.iso
DEBUG:root:Cmd: ['unbsdtar-safelink', '-xf', '/var/lib/ubuntu-iso-testing/isos/ubuntu-server/precise-server-amd64.iso', '-C', '/tmp/precise-server-amd64.iso-kxP5GM', 'install/vmlinuz', 'install/initrd.gz']
INFO:root:Generating virtual-host configuration
DEBUG:root:Loading test configuration file: '<http://10.189.74.2:8080/job/precise-server-amd64_virtual-host/196/artifact/tests/test_cases/virtual-host/config'>
DEBUG:root:Couch Document UUID: '23e5f886-2708-4416-a001-5d5c76eacaa9'
DEBUG:root:Generate preseed file
DEBUG:root:will preseed /tmp/precise-server-amd64.iso-kxP5GM/virtual-host-tljWe2/preseed
INFO:root:Uncompressing initrd
DEBUG:root:Initrd file: /tmp/precise-server-amd64.iso-kxP5GM/install/initrd.gz
DEBUG:root:Copying preseed to initrd and test case document
DEBUG:root:Extracting media info from ISO
DEBUG:root:Cmd: ['bsdtar', '-xf', '/var/lib/ubuntu-iso-testing/isos/ubuntu-server/precise-server-amd64.iso', '-O', '.disk/info']
DEBUG:root:Media Info: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64 (20120528.1)
DEBUG:root:Copying preseed to tftp root
INFO:root:Copying <http://10.189.74.2:8080/job/precise-server-amd64_virtual-host/196/artifact/tests/run_test> -> /tmp/precise-server-amd64.iso-kxP5GM/virtual-host-tljWe2/initrd-HTpEQV
INFO:root:Copying <http://10.189.74.2:8080/job/precise-server-amd64_virtual-host/196/artifact/tests/boottests.py> -> /tmp/precise-server-amd64.iso-kxP5GM/virtual-host-tljWe2/initrd-HTpEQV
DEBUG:root:Updating inittab
INFO:root:Compressing initrd
DEBUG:root:Attaching initrd
DEBUG:root:Copying initrd to tftp root
DEBUG:root:Attaching kernel
DEBUG:root:Copying kernel to tftp root
DEBUG:root:Copying pxelinux config to tftp root
DEBUG:root:Loading configuration option: 'pxelinux/kernel_boot_args'
INFO:root:Section doesn't exists: 'pxelinux'
DEBUG:root:Context: {'mac': '52:54:00:14:63:5a', 'uuid': '23e5f886-2708-4416-a001-5d5c76eacaa9', 'kernel_boot_args': ''}
DEBUG:root:Attaching pxelinux config
DEBUG:root:Adding test script to test case document
DEBUG:root:Test script: <http://10.189.74.2:8080/job/precise-server-amd64_virtual-host/196/artifact/tests/test_cases/virtual-host/test>
DEBUG:root:Loading configuration option: 'vm/disk_size'
INFO:root:Section doesn't exists: 'vm'
DEBUG:root:Loading configuration option: 'vm/disk_number'
INFO:root:Section doesn't exists: 'vm'
DEBUG:root:Generating libvirt information for <http://10.189.74.2:8080/job/precise-server-amd64_virtual-host/196/artifact/tests/test_cases/virtual-host>
DEBUG:root:Generating disk information
DEBUG:root:Setting state to created
DEBUG:root:Loading test case to run
INFO:root:Configuring test case: 23e5f886-2708-4416-a001-5d5c76eacaa9
DEBUG:root:Retrieving iso file
DEBUG:root:Generating disks
DEBUG:root:Cmd: ['qemu-img', 'create', '-f', 'qcow2', '/var/lib/ubuntu-iso-testing/tests/23e5f886-2708-4416-a001-5d5c76eacaa9/disk1.qcow2', '2G']
Formatting '/var/lib/ubuntu-iso-testing/tests/23e5f886-2708-4416-a001-5d5c76eacaa9/disk1.qcow2', fmt=qcow2 size=2147483648 encryption=off cluster_size=65536 
DEBUG:root:Generating libvirt configuration
DEBUG:root:Context: {'iso_file': '/var/lib/ubuntu-iso-testing/isos/ubuntu-server/precise-server-amd64.iso', 'mac': '52:54:00:14:63:5a', 'disks': [{'source': '/var/lib/ubuntu-iso-testing/tests/23e5f886-2708-4416-a001-5d5c76eacaa9/disk1.qcow2', 'bus': 'virtio', 'size': '2G', 'target': 'vda', 'format': 'qcow2'}], 'name': '23e5f886-2708-4416-a001-5d5c76eacaa9', 'uuid': '23e5f886-2708-4416-a001-5d5c76eacaa9'}
DEBUG:root:Cmd: ['virsh', 'define', '/var/lib/ubuntu-iso-testing/tests/23e5f886-2708-4416-a001-5d5c76eacaa9/libvirt.xml']
Domain 23e5f886-2708-4416-a001-5d5c76eacaa9 defined from /var/lib/ubuntu-iso-testing/tests/23e5f886-2708-4416-a001-5d5c76eacaa9/libvirt.xml

DEBUG:root:Starting test case 23e5f886-2708-4416-a001-5d5c76eacaa9
DEBUG:root:Cmd: ['virsh', 'start', '23e5f886-2708-4416-a001-5d5c76eacaa9']
error: Failed to start domain 23e5f886-2708-4416-a001-5d5c76eacaa9
error: Cannot set interface MTU on 'vnet6': No such device

Traceback (most recent call last):
  File "/usr/bin/run-test", line 542, in <module>
    subprocess.check_call(cmd)
  File "/usr/lib/python2.7/subprocess.py", line 511, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['virsh', 'start', '23e5f886-2708-4416-a001-5d5c76eacaa9']' returned non-zero exit status 1
Archiving artifacts
Recording test results
No test report files were found. Configuration error?
Build step 'Publish JUnit test result report' changed build result to FAILURE