Comment 0 for bug 1522824

gate-tempest-dsvm-neutron-multinode-full fails from time to time due to tempest.scenario.test_shelve_instance.TestShelveInstance.test_shelve_instance:

Captured traceback:
2015-12-04 01:17:12.569 | ~~~~~~~~~~~~~~~~~~~
2015-12-04 01:17:12.569 | Traceback (most recent call last):
2015-12-04 01:17:12.570 | File "tempest/test.py", line 127, in wrapper
2015-12-04 01:17:12.570 | return f(self, *func_args, **func_kwargs)
2015-12-04 01:17:12.570 | File "tempest/scenario/test_shelve_instance.py", line 101, in test_shelve_instance
2015-12-04 01:17:12.570 | self._create_server_then_shelve_and_unshelve()
2015-12-04 01:17:12.570 | File "tempest/scenario/test_shelve_instance.py", line 93, in _create_server_then_shelve_and_unshelve
2015-12-04 01:17:12.570 | private_key=keypair['private_key'])
2015-12-04 01:17:12.570 | File "tempest/scenario/manager.py", line 645, in get_timestamp
2015-12-04 01:17:12.571 | private_key=private_key)
2015-12-04 01:17:12.571 | File "tempest/scenario/manager.py", line 383, in get_remote_client
2015-12-04 01:17:12.571 | linux_client.validate_authentication()
2015-12-04 01:17:12.571 | File "tempest/common/utils/linux/remote_client.py", line 63, in validate_authentication
2015-12-04 01:17:12.571 | self.ssh_client.test_connection_auth()
2015-12-04 01:17:12.571 | File "/opt/stack/new/tempest/.tox/full/local/lib/python2.7/site-packages/tempest_lib/common/ssh.py", line 167, in test_connection_auth
2015-12-04 01:17:12.571 | connection = self._get_ssh_connection()
2015-12-04 01:17:12.572 | File "/opt/stack/new/tempest/.tox/full/local/lib/python2.7/site-packages/tempest_lib/common/ssh.py", line 87, in _get_ssh_connection
2015-12-04 01:17:12.572 | password=self.password)
2015-12-04 01:17:12.572 | tempest_lib.exceptions.SSHTimeout: Connection to the 172.24.5.209 via SSH timed out.
2015-12-04 01:17:12.572 | User: cirros, Password: None