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[Bug 1439402] [NEW] gate-grenade-dsvm-partial-ncpu fails with "ValueError: need more than 2 values to unpack" on requested_networks in conductor

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*** This bug is a duplicate of bug 1438920 ***
    https://bugs.launchpad.net/bugs/1438920

Public bug reported:

http://logs.openstack.org/54/164754/1/gate/gate-grenade-dsvm-partial-
ncpu/aeb991f/logs/new/screen-n-cond.txt.gz#_2015-04-01_18_27_53_327

http://logstash.openstack.org/#eyJzZWFyY2giOiJtZXNzYWdlOlwiVmFsdWVFcnJvcjogbmVlZCBtb3JlIHRoYW4gMiB2YWx1ZXMgdG8gdW5wYWNrXCIgQU5EIHRhZ3M6XCJzY3JlZW4tbi1jb25kLnR4dFwiIiwiZmllbGRzIjpbXSwib2Zmc2V0IjowLCJ0aW1lZnJhbWUiOiI2MDQ4MDAiLCJncmFwaG1vZGUiOiJjb3VudCIsInRpbWUiOnsidXNlcl9pbnRlcnZhbCI6MH0sInN0YW1wIjoxNDI3OTIzNTkyOTYyfQ==

2015-04-01 18:27:53.327 ERROR oslo.messaging.rpc.dispatcher [req-eed65630-ab96-4716-8216-fb3e3440ce9f ServersTestManualDisk-429794275 ServersTestManualDisk-355443373] Exception during message handling: need more than 2 values to unpack
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 134, in _dispatch_and_reply
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     incoming.message))
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 177, in _dispatch
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     return self._do_dispatch(endpoint, method, ctxt, args)
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 123, in _do_dispatch
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     result = getattr(endpoint, method)(ctxt, **new_args)
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/conductor/manager.py", line 647, in build_instances
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     limits=host['limits'])
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/rpcapi.py", line 889, in build_and_run_instance
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     requested_networks.as_tuples()]
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher ValueError: need more than 2 values to unpack
2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher 

116 hits in 7 days, check and gate, all failures.

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: conductor

** This bug has been marked a duplicate of bug 1438920
   specification of a nova network to instance during icehouse->juno partial upgrade fails

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https://bugs.launchpad.net/bugs/1439402

Title:
  gate-grenade-dsvm-partial-ncpu fails with "ValueError: need more than
  2 values to unpack" on requested_networks in conductor

Status in OpenStack Compute (Nova):
  New

Bug description:
  http://logs.openstack.org/54/164754/1/gate/gate-grenade-dsvm-partial-
  ncpu/aeb991f/logs/new/screen-n-cond.txt.gz#_2015-04-01_18_27_53_327

  http://logstash.openstack.org/#eyJzZWFyY2giOiJtZXNzYWdlOlwiVmFsdWVFcnJvcjogbmVlZCBtb3JlIHRoYW4gMiB2YWx1ZXMgdG8gdW5wYWNrXCIgQU5EIHRhZ3M6XCJzY3JlZW4tbi1jb25kLnR4dFwiIiwiZmllbGRzIjpbXSwib2Zmc2V0IjowLCJ0aW1lZnJhbWUiOiI2MDQ4MDAiLCJncmFwaG1vZGUiOiJjb3VudCIsInRpbWUiOnsidXNlcl9pbnRlcnZhbCI6MH0sInN0YW1wIjoxNDI3OTIzNTkyOTYyfQ==

  2015-04-01 18:27:53.327 ERROR oslo.messaging.rpc.dispatcher [req-eed65630-ab96-4716-8216-fb3e3440ce9f ServersTestManualDisk-429794275 ServersTestManualDisk-355443373] Exception during message handling: need more than 2 values to unpack
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 134, in _dispatch_and_reply
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     incoming.message))
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 177, in _dispatch
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     return self._do_dispatch(endpoint, method, ctxt, args)
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 123, in _do_dispatch
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     result = getattr(endpoint, method)(ctxt, **new_args)
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/conductor/manager.py", line 647, in build_instances
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     limits=host['limits'])
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher   File "/opt/stack/new/nova/nova/compute/rpcapi.py", line 889, in build_and_run_instance
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher     requested_networks.as_tuples()]
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher ValueError: need more than 2 values to unpack
  2015-04-01 18:27:53.327 8673 TRACE oslo.messaging.rpc.dispatcher 

  116 hits in 7 days, check and gate, all failures.

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