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[Sean Dague <sean@xxxxxxxxx>]

I expect this was an issue with a stale installation of dependencies. If
this is still an issue, please reopen

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1661086

Title:
  Failed to plug VIF VIFBridge

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  I did a fresh restack/reclone this morning and can no longer boot up a
  cirros instance.

  Nova client returns:

  | fault                                | {"message": "Failure running
  os_vif plugin plug method: Failed to plug VIF
  VIFBridge(active=False,address=fa:16:3e:6f:0e:84,bridge_name='qbrd3377ad5-43',has_traffic_filtering=True,id=d3377ad5-4397
  -474c-b6dd-e29b9a52d277,network=Network(d2582e93-d6e5-43ac-be7b-
  fe3fc3c7", "code": 500, "details": "  File
  \"/opt/stack/nova/nova/compute/manager.py\", line 1780, in
  _do_build_and_run_instance |

  pip list:
  nova (15.0.0.0b4.dev77, /opt/stack/nova)
  os-vif (1.4.0)

  n-cpu.log shows:
  2017-02-01 11:13:32.880 DEBUG nova.network.os_vif_util [req-17c8b4e4-2197-4205-aed3-007d0f2837e4 admin admin] Converted object VIFBridge(active=False,address=fa:16:3e:6f:0e:84,bridge_name='qbrd3377ad5-43',has_traffic_filtering=True,id=d3377ad5-4397-474c-b6dd-e29b9a52d277,network=Network(d2582e93-d6e5-43ac-be7b-fe3fc3c7e593),plugin='ovs',port_profile=VIFPortProfileBase,preserve_on_delete=False,vif_name='tapd3377ad5-43') from (pid=69603) nova_to_osvif_vif /opt/stack/nova/nova/network/os_vif_util.py:425
  2017-02-01 11:13:32.880 DEBUG os_vif [req-17c8b4e4-2197-4205-aed3-007d0f2837e4 admin admin] Unplugging vif VIFBridge(active=False,address=fa:16:3e:6f:0e:84,bridge_name='qbrd3377ad5-43',has_traffic_filtering=True,id=d3377ad5-4397-474c-b6dd-e29b9a52d277,network=Network(d2582e93-d6e5-43ac-be7b-fe3fc3c7e593),plugin='ovs',port_profile=VIFPortProfileBase,preserve_on_delete=False,vif_name='tapd3377ad5-43') from (pid=69603) unplug /usr/local/lib/python2.7/dist-packages/os_vif/__init__.py:112
  2017-02-01 11:13:32.881 DEBUG oslo.privsep.daemon [-] privsep: request[139935485013840]: (3, b'vif_plug_ovs.linux_net.delete_bridge', ('qbrd3377ad5-43', b'qvbd3377ad5-43'), {}) from (pid=69603) out_of_band /usr/local/lib/python2.7/dist-packages/oslo_privsep/daemon.py:194
  2017-02-01 11:13:32.881 DEBUG oslo.privsep.daemon [-] privsep: Exception during request[139935485013840]: a bytes-like object is required, not 'str' from (pid=69603) out_of_band /usr/local/lib/python2.7/dist-packages/oslo_privsep/daemon.py:194
  2017-02-01 11:13:32.881 DEBUG oslo.privsep.daemon [-] privsep: reply[139935485013840]: (5, 'builtins.TypeError', ("a bytes-like object is required, not 'str'",)) from (pid=69603) out_of_band /usr/local/lib/python2.7/dist-packages/oslo_privsep/daemon.py:194
  2017-02-01 11:13:32.882 ERROR os_vif [req-17c8b4e4-2197-4205-aed3-007d0f2837e4 admin admin] Failed to unplug vif VIFBridge(active=False,address=fa:16:3e:6f:0e:84,bridge_name='qbrd3377ad5-43',has_traffic_filtering=True,id=d3377ad5-4397-474c-b6dd-e29b9a52d277,network=Network(d2582e93-d6e5-43ac-be7b-fe3fc3c7e593),plugin='ovs',port_profile=VIFPortProfileBase,preserve_on_delete=False,vif_name='tapd3377ad5-43')
  2017-02-01 11:13:32.882 TRACE os_vif Traceback (most recent call last):
  2017-02-01 11:13:32.882 TRACE os_vif   File "/usr/local/lib/python2.7/dist-packages/os_vif/__init__.py", line 113, in unplug
  2017-02-01 11:13:32.882 TRACE os_vif     plugin.unplug(vif, instance_info)
  2017-02-01 11:13:32.882 TRACE os_vif   File "/usr/local/lib/python2.7/dist-packages/vif_plug_ovs/ovs.py", line 216, in unplug
  2017-02-01 11:13:32.882 TRACE os_vif     self._unplug_bridge(vif, instance_info)
  2017-02-01 11:13:32.882 TRACE os_vif   File "/usr/local/lib/python2.7/dist-packages/vif_plug_ovs/ovs.py", line 192, in _unplug_bridge
  2017-02-01 11:13:32.882 TRACE os_vif     linux_net.delete_bridge(vif.bridge_name, v1_name)
  2017-02-01 11:13:32.882 TRACE os_vif   File "/usr/local/lib/python2.7/dist-packages/oslo_privsep/priv_context.py", line 205, in _wrap
  2017-02-01 11:13:32.882 TRACE os_vif     return self.channel.remote_call(name, args, kwargs)
  2017-02-01 11:13:32.882 TRACE os_vif   File "/usr/local/lib/python2.7/dist-packages/oslo_privsep/daemon.py", line 186, in remote_call
  2017-02-01 11:13:32.882 TRACE os_vif     exc_type = importutils.import_class(result[1])
  2017-02-01 11:13:32.882 TRACE os_vif   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/importutils.py", line 30, in import_class
  2017-02-01 11:13:32.882 TRACE os_vif     __import__(mod_str)
  2017-02-01 11:13:32.882 TRACE os_vif ImportError: No module named builtins
  2017-02-01 11:13:32.882 TRACE os_vif

  Full n-cpu.log is attached.

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