vipr not handling fake connector on terminate connection

[gmcb]

Vipr does not handle the fake connector that nova can generate at times
Connector {u'ip': u'127.0.0.1', u'initiator': u'iqn.fake'}
This is causing terminate_connection to fail with a KeyError

2016-07-06 10:32:28.391 38246 INFO powervc_cinder.zonemanager.powervc_utils [req-2a7f2c06-e8c2-4b78-a49e-79616af38d63 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9 be905aea83134411ba7ce9cfae6a8328 - - -] RemoveFCZone terminate_connection failure Volume <cinder.db.sqlalchemy.models.Volume object at 0x6a1dc90> Connector {u'ip': u'127.0.0.1', u'initiator': u'iqn.fake'}
2016-07-06 10:32:28.392 38246 ERROR powervc_cinder.zonemanager.powervc_utils [req-2a7f2c06-e8c2-4b78-a49e-79616af38d63 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9 be905aea83134411ba7ce9cfae6a8328 - - -] 'host'
2016-07-06 10:32:28.392 38246 ERROR powervc_cinder.zonemanager.powervc_utils Traceback (most recent call last):
2016-07-06 10:32:28.392 38246 ERROR powervc_cinder.zonemanager.powervc_utils File "/usr/lib/python2.7/site-packages/powervc_cinder/zonemanager/powervc_utils.py", line 496, in decorator
2016-07-06 10:32:28.392 38246 ERROR powervc_cinder.zonemanager.powervc_utils info = terminate_connection(self, _args, *_kwargs)
2016-07-06 10:32:28.392 38246 ERROR powervc_cinder.zonemanager.powervc_utils File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/emc/vipr/fc.py", line 204, in terminate_connection
2016-07-06 10:32:28.392 38246 ERROR powervc_cinder.zonemanager.powervc_utils hostname = connector['host']
2016-07-06 10:32:28.392 38246 ERROR powervc_cinder.zonemanager.powervc_utils KeyError: 'host'
2016-07-06 10:32:28.392 38246 ERROR powervc_cinder.zonemanager.powervc_utils
2016-07-06 10:32:28.392 38246 ERROR cinder.volume.manager [req-2a7f2c06-e8c2-4b78-a49e-79616af38d63 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9 be905aea83134411ba7ce9cfae6a8328 - - -] Terminate volume connection failed: 'host'