Traceback (most recent call last):
  File "/opt/OpenvStorage/ovs/lib/setup.py", line 352, in setup_node
    node_client = node_details.get('client', SSHClient(endpoint=node_details['ip'], username='root'))
  File "/opt/OpenvStorage/ovs/extensions/generic/sshclient.py", line 152, in __init__
    self._connect()
  File "/opt/OpenvStorage/ovs/extensions/generic/sshclient.py", line 173, in _connect
    self._client.connect(self.ip, username=self.username, password=self.password)
  File "/usr/lib/python2.7/dist-packages/paramiko/client.py", line 311, in connect
    raise NoValidConnectionsError(errors)
NoValidConnectionsError: [Errno None] Unable to connect to port 22 on  or 172.20.20.201
2016-11-17 15:39:35 90900 +0100 - perf-roub-02 - 114207/140306157795072 - lib/setup - 11 - ERROR - [Errno None] Unable to connect to port 22 on  or 172.20.20.201
Traceback (most recent call last):
  File "/opt/OpenvStorage/ovs/lib/setup.py", line 352, in setup_node
    node_client = node_details.get('client', SSHClient(endpoint=node_details['ip'], username='root'))
  File "/opt/OpenvStorage/ovs/extensions/generic/sshclient.py", line 152, in __init__
    self._connect()
  File "/opt/OpenvStorage/ovs/extensions/generic/sshclient.py", line 173, in _connect
    self._client.connect(self.ip, username=self.username, password=self.password)
  File "/usr/lib/python2.7/dist-packages/paramiko/client.py", line 311, in connect
    raise NoValidConnectionsError(errors)
NoValidConnectionsError: [Errno None] Unable to connect to port 22 on  or 172.20.20.201