[staging] 5.1.2 staging mirrors jobs failed

http://jenkins-product.srt.mirantis.net:8080/job/5.1.2.staging.ubuntu.bvt_2/146/console

+ dos.py erase 5.1.2.staging.Ubuntu.bvt_2.146.2015-05-17_06-25-35
Traceback (most recent call last):
  File "/home/jenkins/venv-nailgun-tests/bin/dos.py", line 22, in <module>
    Shell().execute()
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/devops/shell.py", line 32, in execute
    self.commands.get(self.params.command)(self)
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/devops/shell.py", line 64, in do_erase
    self.manager.environment_get(self.params.name).erase()
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/devops/manager.py", line 56, in environment_get
    return Environment.objects.get(name=name)
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/django/db/models/manager.py", line 151, in get
    return self.get_queryset().get(*args, **kwargs)
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/django/db/models/query.py", line 310, in get
    self.model._meta.object_name)
devops.models.DoesNotExist: Environment matching query does not exist.

Prepare master node ... SKIP: Failure in <function setup_master at 0x7f241b7f3488>
Bootstrap 5 slave nodes ... SKIP: Failure in <function setup_master at 0x7f241b7f3488>
Deploy cluster in HA mode with VLAN Manager ... SKIP: Failure in <function setup_master at 0x7f241b7f3488>

    return func(*args, **kwargs)
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/devops/driver/libvirt/libvirt_driver.py", line 199, in network_create
    self.conn.networkLookupByUUIDString(network.uuid).create()
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/libvirt.py", line 2615, in create
    if ret == -1: raise libvirtError ('virNetworkCreate() failed', net=self)
libvirtError: internal error: Network is already in use by interface dobr321