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[Bug 1251874] Re: reduce severity of network notfound trace when looked up by dhcp agent

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 04 Dec 2013 14:43:17 -0000
Reply-to: Bug 1251874 <1251874@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: neutron
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1251874

Title:
  reduce severity of network notfound trace when looked up by dhcp agent

Status in OpenStack Neutron (virtual network service):
  Fix Released

Bug description:
  Neutron Server log has a gazillion of these traces:

  2013-11-15 00:40:31.639 8016 ERROR neutron.openstack.common.rpc.amqp [-] Exception during message handling
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp Traceback (most recent call last):
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp   File "/opt/stack/new/neutron/neutron/openstack/common/rpc/amqp.py", line 438, in _process_data
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp     **args)
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp   File "/opt/stack/new/neutron/neutron/common/rpc.py", line 44, in dispatch
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp     neutron_ctxt, version, method, namespace, **kwargs)
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp   File "/opt/stack/new/neutron/neutron/openstack/common/rpc/dispatcher.py", line 172, in dispatch
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp     result = getattr(proxyobj, method)(ctxt, **kwargs)
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp   File "/opt/stack/new/neutron/neutron/db/dhcp_rpc_base.py", line 150, in get_dhcp_port
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp     network = plugin.get_network(context, network_id)
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp   File "/opt/stack/new/neutron/neutron/plugins/ml2/plugin.py", line 352, in get_network
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp     result = super(Ml2Plugin, self).get_network(context, id, None)
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp   File "/opt/stack/new/neutron/neutron/db/db_base_plugin_v2.py", line 1013, in get_network
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp     network = self._get_network(context, id)
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp   File "/opt/stack/new/neutron/neutron/db/db_base_plugin_v2.py", line 252, in _get_network
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp     raise q_exc.NetworkNotFound(net_id=id)
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp NetworkNotFound: Network 6f199bbe-75ad-429a-ac7e-9c49bc389be5 could not be found
  2013-11-15 00:40:31.639 8016 TRACE neutron.openstack.common.rpc.amqp

  These are about the dhcp agent wanting the sync the state between its
  local representation of the one on the server's. But an unfound
  network should be tolerated and no exception trace should be reported.

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