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["Sean M. Collins" <sean@xxxxxxxxxxxxx>]

Public bug reported:

Some useful information about *why* a port binding failed should be
pushed up into ERROR level, since it has a useful error to help diagnose
the issue, and if someone doesn't have DEBUG level enabled they'd miss
it and wonder why it failed.

2015-12-07 17:41:00.584 DEBUG neutron.plugins.ml2.drivers.mech_agent [req-4cade4e6-1586-4187-8af2-f9e57051a5bc None None] Checking segment: {'segmentation_id': None, 'physical_network': u'default', 'id': u'eec249a0-829d-4a8c-a556-d04ffe7533ad', 'network_type': u'flat'} for mappings: {} with network types: [u'vxlan', 'local', 'flat', 'vlan'] from (pid=13302) check_segment_for_agent /opt/stack/neutron/neutron/plugins/ml2/drivers/mech_agent.py:182
2015-12-07 17:41:00.584 DEBUG neutron.plugins.ml2.drivers.mech_agent [req-4cade4e6-1586-4187-8af2-f9e57051a5bc None None] Network eec249a0-829d-4a8c-a556-d04ffe7533ad is connected to physical network default, but agent vagrant-ubuntu-trusty-64.localdomain reported physical networks {}. The physical network must be configured on the agent if binding is to succeed. from (pid=13302) check_segment_for_agent /opt/stack/neutron/neutron/plugins/ml2/drivers/mech_agent.py:208
2015-12-07 17:41:00.585 ERROR neutron.plugins.ml2.managers [req-4cade4e6-1586-4187-8af2-f9e57051a5bc None None] Failed to bind port 0e25c56e-2bcf-4079-bf6c-c28b72ab4ac0 on host vagrant-ubuntu-trusty-64.localdomain
2015-12-07 17:41:00.585 ERROR neutron.plugins.ml2.managers [req-4cade4e6-1586-4187-8af2-f9e57051a5bc None None] Failed to bind port 0e25c56e-2bcf-4079-bf6c-c28b72ab4ac0 on host vagrant-ubuntu-trusty-64.localdomain

** Affects: neutron
     Importance: Undecided
     Assignee: Sean M. Collins (scollins)
         Status: In Progress

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https://bugs.launchpad.net/bugs/1523616

Title:
  Failing to bind a port should report why it failed, even outside of
  DEBUG level

Status in neutron:
  In Progress

Bug description:
  Some useful information about *why* a port binding failed should be
  pushed up into ERROR level, since it has a useful error to help
  diagnose the issue, and if someone doesn't have DEBUG level enabled
  they'd miss it and wonder why it failed.

  2015-12-07 17:41:00.584 DEBUG neutron.plugins.ml2.drivers.mech_agent [req-4cade4e6-1586-4187-8af2-f9e57051a5bc None None] Checking segment: {'segmentation_id': None, 'physical_network': u'default', 'id': u'eec249a0-829d-4a8c-a556-d04ffe7533ad', 'network_type': u'flat'} for mappings: {} with network types: [u'vxlan', 'local', 'flat', 'vlan'] from (pid=13302) check_segment_for_agent /opt/stack/neutron/neutron/plugins/ml2/drivers/mech_agent.py:182
  2015-12-07 17:41:00.584 DEBUG neutron.plugins.ml2.drivers.mech_agent [req-4cade4e6-1586-4187-8af2-f9e57051a5bc None None] Network eec249a0-829d-4a8c-a556-d04ffe7533ad is connected to physical network default, but agent vagrant-ubuntu-trusty-64.localdomain reported physical networks {}. The physical network must be configured on the agent if binding is to succeed. from (pid=13302) check_segment_for_agent /opt/stack/neutron/neutron/plugins/ml2/drivers/mech_agent.py:208
  2015-12-07 17:41:00.585 ERROR neutron.plugins.ml2.managers [req-4cade4e6-1586-4187-8af2-f9e57051a5bc None None] Failed to bind port 0e25c56e-2bcf-4079-bf6c-c28b72ab4ac0 on host vagrant-ubuntu-trusty-64.localdomain
  2015-12-07 17:41:00.585 ERROR neutron.plugins.ml2.managers [req-4cade4e6-1586-4187-8af2-f9e57051a5bc None None] Failed to bind port 0e25c56e-2bcf-4079-bf6c-c28b72ab4ac0 on host vagrant-ubuntu-trusty-64.localdomain

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