Upgrade to 5.1.1 failed

Scenario - upgrade the Fuel Master VM from 5.1 -> 5.1.1

I verified that the Fuel website is up.

./upgrade.sh --password ####
____

class UnixSocketHTTPConnection(httplib.HTTPConnection):
    def connect(self):
        self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
        self.sock.connect(self.host)

error: [Errno 2] No such file or directory
2014-12-18 22:42:02 DEBUG 30503 (upgrade) Run rollback
2014-12-18 22:42:02 DEBUG 30503 (upgrade) DockerUpgrader: rollbacking...
2014-12-18 22:42:02 INFO 30503 (version_file) Switch current version file to previous version
2014-12-18 22:42:02 DEBUG 30503 (utils) Symlinking "/etc/fuel/5.1/version.yaml" -> "/etc/fuel/version.yaml" [overwrite=1]
2014-12-18 22:42:02 DEBUG 30503 (utils) Removing "/etc/fuel/version.yaml"
2014-12-18 22:42:02 DEBUG 30503 (utils) Symlinking "/etc/supervisord.d/5.1" -> "/etc/supervisord.d/current" [overwrite=1]
2014-12-18 22:42:02 DEBUG 30503 (utils) Removing "/etc/supervisord.d/current"
2014-12-18 22:42:02 INFO 30503 (supervisor_client) Stop all services
2014-12-18 22:42:02 ERROR 30503 (cli) [Errno 2] No such file or directory
Traceback (most recent call last):
  File "/var/tmp/Update5.1.1/upgrade/site-packages/fuel_upgrade/cli.py", line 172, in main run_upgrade(parse_args(sys.argv[1:]))
  File "/var/tmp/Update5.1.1/upgrade/site-packages/fuel_upgrade/cli.py", line 164, in run_upgrade_upgrade_manager.run()
  File "/var/tmp/Update5.1.1/upgrade/site-packages/fuel_upgrade/upgrade.py", line 58, in run self.rollback()
  File "/var/tmp/Update5.1.1/upgrade/site-packages/fuel_upgrade/upgrade.py", line 90, in rollback upgrader.rollback()
  File "/var/tmp/Update5.1.1/upgrade/site-packages/fuel_upgrade/engines/docker_engine.py", line 107, in rollback self.supervisor.stop_all_services()
  File "/var/tmp/Update5.1.1/upgrade/site-packages/fuel_upgrade/clients/supervisor_client.py", line 125, in stop_all_services
    self.supervisor.stopAllProcesses()
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1199, in __call__ return self.__send(self.__name, args)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1489, in __request verbose=self.__verbose
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1235, in request self.send_content(h, request_body)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1349, in send_content connection.endheaders()
  File "/usr/lib64/python2.6/httplib.py", line 908, in endheaders self._send_output()
  File "/usr/lib64/python2.6/httplib.py", line 780, in _send_output self.send(msg)
  File "/usr/lib64/python2.6/httplib.py", line 739, in send self.connect()
  File "/var/tmp/Update5.1.1/upgrade/site-packages/fuel_upgrade/clients/supervisor_client.py", line 34, in connect self.sock.connect(self.host)
  File "<string>", line 1, in connect
error: [Errno 2] No such file or directory
==================================================
Upgrade failed