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[Serguei Bezverkhi <sbezverk@xxxxxxxxx>]

Public bug reported:

On the latest master (August 20,2016) I consistently observe a traceback
in neutron-openvswitch-agent.log

2016-08-20 15:39:35.542 16 ERROR ryu.lib.hub [-] hub: uncaught exception: Traceback (most recent call last):
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/ryu/lib/hub.py", line 54, in _launch
    return func(*args, **kwargs)
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_ryuapp.py", line 35, in agent_main_wrapper
    ovs_agent.main(bridge_classes)
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2158, in main
    agent = OVSNeutronAgent(bridge_classes, cfg.CONF)
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 168, in __init__
    self.setup_integration_br()
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/osprofiler/profiler.py", line 154, in wrapper
    return f(*args, **kwargs)
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1004, in setup_integration_br
    self.int_br.setup_default_table()
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/br_int.py", line 43, in setup_default_table
    self.install_normal()
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ofswitch.py", line 160, in install_normal
    (_dp, ofp, _ofpp) = self._get_dp()
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py", line 49, in _get_dp
    self._cached_dpid = int(dpid_str, 16)
TypeError: int() can't convert non-string with explicit base

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1615283

Title:
  neutron-openvswitch-agent backtrace at ovs_bridge.py

Status in neutron:
  New

Bug description:
  On the latest master (August 20,2016) I consistently observe a
  traceback in neutron-openvswitch-agent.log

  2016-08-20 15:39:35.542 16 ERROR ryu.lib.hub [-] hub: uncaught exception: Traceback (most recent call last):
    File "/var/lib/kolla/venv/lib/python2.7/site-packages/ryu/lib/hub.py", line 54, in _launch
      return func(*args, **kwargs)
    File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_ryuapp.py", line 35, in agent_main_wrapper
      ovs_agent.main(bridge_classes)
    File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2158, in main
      agent = OVSNeutronAgent(bridge_classes, cfg.CONF)
    File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 168, in __init__
      self.setup_integration_br()
    File "/var/lib/kolla/venv/lib/python2.7/site-packages/osprofiler/profiler.py", line 154, in wrapper
      return f(*args, **kwargs)
    File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1004, in setup_integration_br
      self.int_br.setup_default_table()
    File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/br_int.py", line 43, in setup_default_table
      self.install_normal()
    File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ofswitch.py", line 160, in install_normal
      (_dp, ofp, _ofpp) = self._get_dp()
    File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py", line 49, in _get_dp
      self._cached_dpid = int(dpid_str, 16)
  TypeError: int() can't convert non-string with explicit base

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