ubuntu 7vm cloud's floating ip is not accessable

[Jerry Zhao]

ubuntu 7vm cloud's floating ip is not accessable. ovs version incompatible.

2014-06-10 03:49:25.183 | tempest.tests.network.test_network_basic_ops.TestNetworkBasicOps.test_008_check_public_network_connectivity ... ERROR
2014-06-10 03:49:28.522 |
2014-06-10 03:49:28.522 | ======================================================================
2014-06-10 03:49:28.523 | ERROR: tempest.tests.network.test_network_basic_ops.TestNetworkBasicOps.test_008_check_public_network_connectivity
2014-06-10 03:49:28.523 | ----------------------------------------------------------------------
2014-06-10 03:49:28.523 | _StringException: Traceback (most recent call last):
2014-06-10 03:49:28.524 | File "/tmp/tempest/tempest/tests/network/test_network_basic_ops.py", line 536, in test_008_check_public_network_connectivity
2014-06-10 03:49:28.524 | self._check_vm_connectivity(ip_address, ssh_login, private_key)
2014-06-10 03:49:28.524 | File "/tmp/tempest/tempest/tests/network/test_network_basic_ops.py", line 433, in _check_vm_connectivity
2014-06-10 03:49:28.524 | timeout=timeout),
2014-06-10 03:49:28.524 | File "/tmp/tempest/tempest/tests/network/test_network_basic_ops.py", line 423, in _is_reachable_via_ssh
2014-06-10 03:49:28.524 | return ssh_client.test_connection_auth()
2014-06-10 03:49:28.524 | File "/tmp/tempest/tempest/common/ssh.py", line 143, in test_connection_auth
2014-06-10 03:49:28.524 | connection = self._get_ssh_connection()
2014-06-10 03:49:28.524 | File "/tmp/tempest/tempest/common/ssh.py", line 75, in _get_ssh_connection
2014-06-10 03:49:28.525 | password=self.password)
2014-06-10 03:49:28.525 | SSHTimeout: Connection to the 172.24.4.4 via SSH timed out.
2014-06-10 03:49:28.525 | User: cirros, Password: None