Getting continuous alerts in neutron log with following error messages

Issue

• Live migration for one or more VM failed.

• We see the following errors in /var/log/containers/neutron/server.log:

2021-08-09 07:16:18.799 26 ERROR oslo_db.api     err.raise_mysql_exception(self._data)
2021-08-09 07:16:18.799 26 ERROR oslo_db.api   File "/usr/lib/python3.6/site-packages/pymysql/err.py", line 107, in raise_mysql_exception
2021-08-09 07:16:18.799 26 ERROR oslo_db.api     raise errorclass(errno, errval)
2021-08-09 07:16:18.799 26 ERROR oslo_db.api oslo_db.exception.DBDuplicateEntry: (pymysql.err.IntegrityError) (1062, "Duplicate entry '488ed478-3d2b-4c1c-b4fc-752e187b7f14-overcloud-compute-0.localdomain' for key 'PRIMARY'")
2021-08-09 07:16:18.799 26 ERROR oslo_db.api [SQL: UPDATE ml2_port_bindings SET host=%(host)s, vif_type=%(vif_type)s, vif_details=%(vif_details)s WHERE ml2_port_bindings.port_id = %(ml2_port_bindings_port_id)s AND ml2_port_bindings.host = %(ml2_port_bindings_host)s]
2021-08-09 07:16:18.799 26 ERROR oslo_db.api [parameters: {'host': 'overcloud-compute-0.localdomain', 'vif_type': 'unbound', 'vif_details': '', 'ml2_port_bindings_port_id': '488ed478-3d2b-4c1c-b4fc-752e187b7f14', 'ml2_port_bindings_host': 'osrtpz71021.localdomain'}]
2021-08-09 07:16:18.799 26 ERROR oslo_db.api (Background on this error at: http://sqlalche.me/e/gkpj)
2021-08-09 07:16:18.799 26 ERROR oslo_db.api
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation [req-a2c0f30b-9338-4e40-bfe6-5cff242b1d8e 00bfc0eb5dda48438065580f74374c68 5b664c1e58eb4b019d03cc4949c0eb42 - default default] PUT failed.: oslo_db.exception.DBDuplicateEntry: (pymysql.err.IntegrityError) (1062, "Duplicate entry '488ed478-3d2b-4c1c-b4fc-752e187b7f14-osrtpz71022.localdomain' for key 'PRIMARY'")
(Background on this error at: http://sqlalche.me/e/gkpj)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation Traceback (most recent call last):
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py", line 1244, in _execute_context
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     cursor, statement, parameters, context
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/engine/default.py", line 552, in do_execute
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     cursor.execute(statement, parameters)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/cursors.py", line 165, in execute
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     result = self._query(query)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/cursors.py", line 321, in _query
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     conn.query(q)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 860, in query
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self._affected_rows = self._read_query_result(unbuffered=unbuffered)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 1061, in _read_query_result
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     result.read()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 1349, in read
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     first_packet = self.connection._read_packet()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 1018, in _read_packet
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     packet.check_error()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 384, in check_error
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     err.raise_mysql_exception(self._data)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/err.py", line 107, in raise_mysql_exception
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise errorclass(errno, errval)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation pymysql.err.IntegrityError: (1062, "Duplicate entry '488ed478-3d2b-4c1c-b4fc-752e187b7f14-overcloud-compute-0.localdomain' for key 'PRIMARY'")
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation The above exception was the direct cause of the following exception:
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation Traceback (most recent call last):
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pecan/core.py", line 683, in __call__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.invoke_controller(controller, args, kwargs, state)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pecan/core.py", line 574, in invoke_controller
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     result = controller(*args, **kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 139, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     setattr(e, '_RETRY_EXCEEDED', True)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.force_reraise()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     six.reraise(self.type_, self.value, self.tb)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/six.py", line 675, in reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise value
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 135, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return f(*args, **kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_db/api.py", line 154, in wrapper
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     ectxt.value = e.inner_exc
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.force_reraise()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     six.reraise(self.type_, self.value, self.tb)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/six.py", line 675, in reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise value
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_db/api.py", line 142, in wrapper
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return f(*args, **kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 183, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     LOG.debug("Retry wrapper got retriable exception: %s", e)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.force_reraise()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     six.reraise(self.type_, self.value, self.tb)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/six.py", line 675, in reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise value
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 179, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return f(*dup_args, **dup_kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/pecan_wsgi/controllers/utils.py", line 76, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return f(*args, **kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/pecan_wsgi/controllers/resource.py", line 74, in put
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return {self.resource: self.plugin_updater(*updater_args)}
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/common/utils.py", line 687, in inner
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return f(self, context, *args, **kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 233, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return method(*args, **kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 139, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     setattr(e, '_RETRY_EXCEEDED', True)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.force_reraise()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     six.reraise(self.type_, self.value, self.tb)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/six.py", line 675, in reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise value
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 135, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return f(*args, **kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_db/api.py", line 154, in wrapper
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     ectxt.value = e.inner_exc
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.force_reraise()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     six.reraise(self.type_, self.value, self.tb)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/six.py", line 675, in reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise value
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_db/api.py", line 142, in wrapper
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return f(*args, **kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 183, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     LOG.debug("Retry wrapper got retriable exception: %s", e)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.force_reraise()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     six.reraise(self.type_, self.value, self.tb)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/six.py", line 675, in reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise value
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 179, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return f(*dup_args, **dup_kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/plugins/ml2/plugin.py", line 1763, in update_port
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.mechanism_manager.update_port_precommit(mech_context)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py", line 731, in update_port_precommit
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise_db_retriable=True)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py", line 484, in _call_on_drivers
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     exc_info=e)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.force_reraise()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     six.reraise(self.type_, self.value, self.tb)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/six.py", line 675, in reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise value
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py", line 477, in _call_on_drivers
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     getattr(driver.obj, method_name)(context)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/mech_agent.py", line 66, in update_port_precommit
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self._insert_provisioning_block(context)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/mech_agent.py", line 81, in _insert_provisioning_block
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     if context.host_agents(self.agent_type):
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/plugins/ml2/driver_context.py", line 297, in host_agents
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     'host': [self._binding.host]})
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/api.py", line 233, in wrapped
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return method(*args, **kwargs)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/db/agents_db.py", line 301, in get_agents
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     agents = agent_obj.Agent.get_objects(context, **filters)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/objects/base.py", line 640, in get_objects
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     cls, context, _pager=_pager, **cls.modify_fields_to_db(kwargs))
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron/objects/db/api.py", line 52, in get_objects
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     **(_pager.to_kwargs(context, obj_cls) if _pager else {}))
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/neutron_lib/db/model_query.py", line 311, in get_collection
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     for c in query
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/orm/query.py", line 3316, in __iter__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.session._autoflush()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/orm/session.py", line 1576, in _autoflush
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self.flush()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/orm/session.py", line 2451, in flush
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self._flush(objects)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/orm/session.py", line 2589, in _flush
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     transaction.rollback(_capture_exception=True)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/util/langhelpers.py", line 68, in __exit__
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     compat.reraise(exc_type, exc_value, exc_tb)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/util/compat.py", line 129, in reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise value
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/orm/session.py", line 2549, in _flush
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     flush_context.execute()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/orm/unitofwork.py", line 422, in execute
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     rec.execute(self)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/orm/unitofwork.py", line 589, in execute
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     uow,
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/orm/persistence.py", line 236, in save_obj
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     update,
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/orm/persistence.py", line 978, in _emit_update_statements
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     statement, multiparams
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py", line 988, in execute
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return meth(self, multiparams, params)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/sql/elements.py", line 287, in _execute_on_connection
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     return connection._execute_clauseelement(self, multiparams, params)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py", line 1107, in _execute_clauseelement
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     distilled_params,
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py", line 1248, in _execute_context
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     e, statement, parameters, cursor, context
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py", line 1464, in _handle_dbapi_exception
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     util.raise_from_cause(newraise, exc_info)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/util/compat.py", line 383, in raise_from_cause
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     reraise(type(exception), exception, tb=exc_tb, cause=cause)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/util/compat.py", line 128, in reraise
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise value.with_traceback(tb)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py", line 1244, in _execute_context
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     cursor, statement, parameters, context
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib64/python3.6/site-packages/sqlalchemy/engine/default.py", line 552, in do_execute
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     cursor.execute(statement, parameters)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/cursors.py", line 165, in execute
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     result = self._query(query)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/cursors.py", line 321, in _query
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     conn.query(q)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 860, in query
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     self._affected_rows = self._read_query_result(unbuffered=unbuffered)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 1061, in _read_query_result
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     result.read()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 1349, in read
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     first_packet = self.connection._read_packet()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 1018, in _read_packet
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     packet.check_error()
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/connections.py", line 384, in check_error
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     err.raise_mysql_exception(self._data)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation   File "/usr/lib/python3.6/site-packages/pymysql/err.py", line 107, in raise_mysql_exception
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation     raise errorclass(errno, errval)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation oslo_db.exception.DBDuplicateEntry: (pymysql.err.IntegrityError) (1062, "Duplicate entry '488ed478-3d2b-4c1c-b4fc-752e187b7f14-overcloud-compute-0.localdomain' for key 'PRIMARY'")
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation [SQL: UPDATE ml2_port_bindings SET host=%(host)s, vif_type=%(vif_type)s, vif_details=%(vif_details)s WHERE ml2_port_bindings.port_id = %(ml2_port_bindings_port_id)s AND ml2_port_bindings.host = %(ml2_port_bindings_host)s]
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation [parameters: {'host': 'overcloud-compute-0.localdomain', 'vif_type': 'unbound', 'vif_details': '', 'ml2_port_bindings_port_id': '488ed478-3d2b-4c1c-b4fc-752e187b7f14', 'ml2_port_bindings_host': 'overcloud-compute-0.localdomain'}]
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation (Background on this error at: http://sqlalche.me/e/gkpj)
2021-08-09 07:16:18.802 26 ERROR neutron.pecan_wsgi.hooks.translation
ConnectionResetError: [Errno 104] Connection reset by peer