2016-11-23 10:30:24 09300 +0100 - ctrl-roub-01 - 109786/140116299626240 - lib/setup - 382 - INFO - Demote complete
2016-11-23 10:30:24 09300 +0100 - ctrl-roub-01 - 109786/140116299626240 - lib/setup - 383 - INFO -     Stopping and removing services
2016-11-23 10:30:24 09300 +0100 - ctrl-roub-01 - 109786/140116299626240 - lib/setup - 384 - INFO -     Removing node from model
2016-11-23 10:30:24 10000 +0100 - ctrl-roub-01 - 109786/140116299626240 - lib/scheduled tasks - 385 - INFO - Send data task scheduling started
2016-11-23 10:30:24 11200 +0100 - ctrl-roub-01 - 109786/140116299626240 - lib/setup - 386 - INFO - Running "remove" hooks
2016-11-23 10:30:24 11200 +0100 - ctrl-roub-01 - 109786/140116299626240 - lib/setup - 387 - INFO - Executing storagedriver.on_remove
2016-11-23 10:30:26 42000 +0100 - ctrl-roub-01 - 109786/140116299626240 - lib/setup - 388 - INFO -

2016-11-23 10:30:26 42100 +0100 - ctrl-roub-01 - 109786/140116299626240 - lib/setup - 389 - ERROR - An unexpected error occurred:
Traceback (most recent call last):
  File "ovs/lib/setup.py", line 743, in remove_node
    SetupController._run_hooks('remove', storage_router_to_remove.ip, complete_removal=remove_asd_manager)
  File "ovs/lib/setup.py", line 1814, in _run_hooks
    function(cluster_ip=cluster_ip, **kwargs)
  File "ovs/lib/helpers/..//storagedriver.py", line 136, in on_remove
    client = SSHClient(endpoint=cluster_ip, username='root')
  File "ovs/extensions/generic/sshclient.py", line 152, in __init__
    self._connect()
  File "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 172.20.20.7
2016-11-23 10:30:26 42200 +0100 - ctrl-roub-01 - 109786/140116299626240 - lib/setup - 390 - ERROR - [Errno None] Unable to connect to port 22 on  or 172.20.20.7
Traceback (most recent call last):
  File "ovs/lib/setup.py", line 743, in remove_node
    SetupController._run_hooks('remove', storage_router_to_remove.ip, complete_removal=remove_asd_manager)
  File "ovs/lib/setup.py", line 1814, in _run_hooks
    function(cluster_ip=cluster_ip, **kwargs)
  File "ovs/lib/helpers/..//storagedriver.py", line 136, in on_remove
    client = SSHClient(endpoint=cluster_ip, username='root')
  File "ovs/extensions/generic/sshclient.py", line 152, in __init__
    self._connect()
  File "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 172.20.20.7