manager.py script fails during in get_remote_clientlinux_client.validate_authentication()

'(Pdb) continue
======================================================================
ERROR: tempest.scenario.test_network_v6.TestGettingAddress.test_dualnet_dhcp6_stateless_from_os[compute,id-76f26acd-9688-42b4-bc3e-cd134c4cb09e,network,slow]
----------------------------------------------------------------------
pythonlogging:'': {{{
2020-07-14 00:24:00,861 30129 INFO [tempest.lib.common.rest_client] Request (TestGettingAddress:setUp): 200 POST http://10.30.170.96/compute/v2.1/os-keypairs 0.456s
2020-07-14 00:24:01,240 30129 INFO [tempest.lib.common.rest_client] Request (TestGettingAddress:setUp): 201 POST http://10.30.170.96:9696/v2.0/security-groups 0.375s
2020-07-14 00:24:01,777 30129 INFO [tempest.lib.common.rest_client] Request (TestGettingAddress:setUp): 201 POST http://10.30.170.96:9696/v2.0/security-group-rules 0.536s
2020-07-14 00:24:01,973 30129 INFO [tempest.lib.common.rest_client] Request (TestGettingAddress:setUp): 201 POST http://10.30.170.96:9696/v2.0/security-group-rules 0.194s
2020-07-14 00:24:02,174 30129 INFO [tempest.lib.common.rest_client] Req...
[ Message content over the limit has been removed. ]
File "tempest/scenario/manager.py", line 501, in get_remote_client
linux_client.validate_authentication()
File "tempest/lib/common/utils/linux/remote_client.py", line 60, in wrapper
six.reraise(*original_exception)
File "tempest/lib/common/utils/linux/remote_client.py", line 33, in wrapper
return function(self, *args, **kwargs)
File "tempest/lib/common/utils/linux/remote_client.py", line 116, in validate_authentication
self.ssh_client.test_connection_auth()
File "tempest/lib/common/ssh.py", line 209, in test_connection_auth
connection = self._get_ssh_connection()
File "tempest/lib/common/ssh.py", line 121, in _get_ssh_connection
password=self.password)
tempest.lib.exceptions.SSHTimeout: Connection to the 10.10.10.165 via SSH timed out.
User: cirros, Password: None

Ran 1 test in 292.879s
FAILED (failures=1)
[jenkins@releng-17099-139-1-devstack-rocky-0 tempest]>' does not contain 'OK'