Comment 3 for bug 1562821

It also can be reproduced on:
[9.0][MOSQA] Tempest 9.0 (VLAN_CEPH_GLANCE_CEPH-TEMPEST, Ceph(scenario))

tempest.scenario.test_shelve_instance.TestShelveInstance.test_shelve_instance
Stacktrace

Traceback (most recent call last):
  File "tempest/test.py", line 113, in wrapper
    return f(self, *func_args, **func_kwargs)
  File "tempest/scenario/test_shelve_instance.py", line 98, in test_shelve_instance
    self._create_server_then_shelve_and_unshelve()
  File "tempest/scenario/test_shelve_instance.py", line 82, in _create_server_then_shelve_and_unshelve
    private_key=keypair['private_key'])
  File "tempest/scenario/manager.py", line 623, in create_timestamp
    private_key=private_key)
  File "tempest/scenario/manager.py", line 378, in get_remote_client
    linux_client.validate_authentication()
  File "tempest/common/utils/linux/remote_client.py", line 51, in validate_authentication
    self.ssh_client.test_connection_auth()
  File "tempest/lib/common/ssh.py", line 173, in test_connection_auth
    connection = self._get_ssh_connection()
  File "tempest/lib/common/ssh.py", line 88, in _get_ssh_connection
    password=self.password)
tempest.lib.exceptions.SSHTimeout: Connection to the 10.109.4.205 via SSH timed out.
User: cirros, Password: None