Hello all,
could you please take a look at this?

Test failed: 004_basic_sanity.disk_operations
Link to all test logs: http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/1518/artifact/
Error snippet: 

11:57:18 [basic-suit] Error while running thread

11:57:18 [basic-suit] Traceback (most recent call last):

11:57:18 [basic-suit]   File "/usr/lib/python2.7/site-packages/lago/utils.py", line 58, in _ret_via_queue

11:57:18 [basic-suit]     queue.put({'return': func()})

11:57:18 [basic-suit]   File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 59, in wrapper

11:57:18 [basic-suit]     return func(get_test_prefix(), *args, **kwargs)

11:57:18 [basic-suit]   File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 78, in wrapper

11:57:18 [basic-suit]     prefix.virt_env.engine_vm().get_api(api_ver=4), *args, **kwargs

11:57:18 [basic-suit]   File "/home/jenkins/workspace/ovirt-master_change-queue-tester/ovirt-system-tests/basic-suite-master/test-scenarios/004_basic_sanity.py", line 330, in live_storage_migration

11:57:18 [basic-suit]     disk_service.get().status, types.DiskStatus.OK)

11:57:18 [basic-suit]   File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 251, in assert_equals_within_long

11:57:18 [basic-suit]     func, value, LONG_TIMEOUT, allowed_exceptions=allowed_exceptions

11:57:18 [basic-suit]   File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 217, in assert_equals_within

11:57:18 [basic-suit]     res = func()

11:57:18 [basic-suit]   File "/home/jenkins/workspace/ovirt-master_change-queue-tester/ovirt-system-tests/basic-suite-master/test-scenarios/004_basic_sanity.py", line 329, in <lambda>

11:57:18 [basic-suit]     len(vm_service.snapshots_service().list()) == 1 and \

11:57:18 [basic-suit]   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/services.py", line 17648, in list

11:57:18 [basic-suit]     return self._internal_get(headers, query, wait)

11:57:18 [basic-suit]   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 202, in _internal_get

11:57:18 [basic-suit]     return future.wait() if wait else future

11:57:18 [basic-suit]   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 53, in wait

11:57:18 [basic-suit]     return self._code(response)

11:57:18 [basic-suit]   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 199, in callback

11:57:18 [basic-suit]     self._check_fault(response)

11:57:18 [basic-suit]   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 123, in _check_fault

11:57:18 [basic-suit]     self._raise_error(response, body)

11:57:18 [basic-suit]   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 109, in _raise_error

11:57:18 [basic-suit]     raise error

11:57:18 [basic-suit] Error: Fault reason is "Operation Failed". Fault detail is "Entity not found: null". HTTP response code is 404.

Thanks