SFC delete port chain failed

Navdeep Uniyal navdeep.uniyal at bristol.ac.uk
Thu Apr 4 11:31:18 UTC 2019


Following are the logs while creating the Port Chain:

2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager [req-3b14375a-a47c-49ee-bf2e-da7755536742 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] 'PortChainContext' object has no attribute 'session': AttributeError: 'PortChainContext' object has no attribute 'session'
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager Traceback (most recent call last):
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 101, in _call_drivers
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     getattr(driver.obj, method_name)(context)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/base.py", line 58, in create_port_chain_postcommit
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     self.create_port_chain(context)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/oslo_log/helpers.py", line 67, in wrapper
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     return method(*args, **kwargs)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 881, in create_port_chain
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     None)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 809, in _update_path_nodes
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     add_fc_ids, del_fc_ids)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 802, in _update_path_node_flowrules
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     port, pc_corr, add_fc_ids, del_fc_ids)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 790, in _update_path_node_port_flowrules
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     self._update_agent_fdb_entries(context, flow_rule)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 189, in _update_agent_fdb_entries
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     self._call_on_l2pop_driver(context, "add_fdb_entries", flow_rule)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 170, in _call_on_l2pop_driver
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     pop_ports = self._get_remote_pop_ports(context, flow_rule)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/oslo_log/helpers.py", line 67, in wrapper
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     return method(*args, **kwargs)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 133, in _get_remote_pop_ports
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     next_hop['net_uuid'])
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/l2pop/db.py", line 152, in get_agent_network_active_port_count
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager     query = context.session.query(models_v2.Port)
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager AttributeError: 'PortChainContext' object has no attribute 'session'
2019-04-04 12:27:23.441 182047 ERROR networking_sfc.services.sfc.driver_manager
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.driver_manager [req-3b14375a-a47c-49ee-bf2e-da7755536742 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] SFC driver 'ovs' failed in create_port_chain_postcommit
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin [req-3b14375a-a47c-49ee-bf2e-da7755536742 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] create_port_chain_postcommit failed.: SfcDriverError: create_port_chain_postcommit failed.
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin Traceback (most recent call last):
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/plugin.py", line 59, in create_port_chain
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin     portchain_db_context)
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 121, in create_port_chain_postcommit
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin     self._call_drivers("create_port_chain_postcommit", context)
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 113, in _call_drivers
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin     method=method_name
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin SfcDriverError: create_port_chain_postcommit failed.
2019-04-04 12:27:23.443 182047 ERROR networking_sfc.services.sfc.plugin
2019-04-04 12:27:23.444 182047 ERROR networking_sfc.services.sfc.plugin [req-3b14375a-a47c-49ee-bf2e-da7755536742 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] Create port chain failed, deleting port_chain '7ec277f2-913d-4541-ab8d-b0d3a5c9c8b2': SfcDriverError: create_port_chain_postcommit failed.
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager [req-3b14375a-a47c-49ee-bf2e-da7755536742 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] 'PortChainContext' object has no attribute 'session': AttributeError: 'PortChainContext' object has no attribute 'session'
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager Traceback (most recent call last):
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 101, in _call_drivers
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     getattr(driver.obj, method_name)(context)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/oslo_log/helpers.py", line 67, in wrapper
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     return method(*args, **kwargs)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 887, in delete_port_chain
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     self._delete_portchain_path(context, port_chain)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/oslo_log/helpers.py", line 67, in wrapper
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     return method(*args, **kwargs)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 594, in _delete_portchain_path
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     port_chain['flow_classifiers']
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 577, in _delete_path_node_flowrule
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     context, node, port, pc_corr, fc_ids)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 568, in _delete_path_node_port_flowrule
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     self._delete_agent_fdb_entries(context, flow_rule)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 192, in _delete_agent_fdb_entries
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     self._call_on_l2pop_driver(context, "remove_fdb_entries", flow_rule)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 170, in _call_on_l2pop_driver
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     pop_ports = self._get_remote_pop_ports(context, flow_rule)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/oslo_log/helpers.py", line 67, in wrapper
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     return method(*args, **kwargs)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 133, in _get_remote_pop_ports
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     next_hop['net_uuid'])
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/l2pop/db.py", line 152, in get_agent_network_active_port_count
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager     query = context.session.query(models_v2.Port)
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager AttributeError: 'PortChainContext' object has no attribute 'session'
2019-04-04 12:27:23.706 182047 ERROR networking_sfc.services.sfc.driver_manager
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.driver_manager [req-3b14375a-a47c-49ee-bf2e-da7755536742 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] SFC driver 'ovs' failed in delete_port_chain
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin [req-3b14375a-a47c-49ee-bf2e-da7755536742 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] delete_port_chain failed.: SfcDriverError: delete_port_chain failed.
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin Traceback (most recent call last):
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/plugin.py", line 99, in delete_port_chain
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin     self.driver_manager.delete_port_chain(pc_context)
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 130, in delete_port_chain
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin     self._call_drivers("delete_port_chain", context)
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 113, in _call_drivers
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin     method=method_name
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin SfcDriverError: delete_port_chain failed.
2019-04-04 12:27:23.707 182047 ERROR networking_sfc.services.sfc.plugin
2019-04-04 12:27:23.708 182047 ERROR networking_sfc.services.sfc.plugin [req-3b14375a-a47c-49ee-bf2e-da7755536742 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] Delete port chain failed, portchain '7ec277f2-913d-4541-ab8d-b0d3a5c9c8b2': SfcDriverError: delete_port_chain failed.
2019-04-04 12:27:23.708 182047 ERROR root [req-3b14375a-a47c-49ee-bf2e-da7755536742 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] Original exception being dropped: ['Traceback (most recent call last):\n', '  File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/plugin.py", line 59, in create_port_chain\n    portchain_db_context)\n', '  File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 121, in create_port_chain_postcommit\n    self._call_drivers("create_port_chain_postcommit", context)\n', '  File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 113, in _call_drivers\n    method=method_name\n', 'SfcDriverError: create_port_chain_postcommit failed.\n']: SfcDriverError: delete_port_chain failed.

Kind Regards,
Navdeep

From: Navdeep Uniyal <navdeep.uniyal at bristol.ac.uk>
Sent: 04 April 2019 12:06
To: openstack at lists.openstack.org
Subject: SFC delete port chain failed

Dear All,

I am facing errors while creating/deleting the SF Chain:

2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager [req-d03ef918-2314-4728-bb8b-c5670b4b9da1 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] 'PortChainContext' object has no attribute 'session': AttributeError: 'PortChainContext' object has no attribute 'session'
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager Traceback (most recent call last):
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 101, in _call_drivers
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     getattr(driver.obj, method_name)(context)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/oslo_log/helpers.py", line 67, in wrapper
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     return method(*args, **kwargs)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 887, in delete_port_chain
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     self._delete_portchain_path(context, port_chain)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/oslo_log/helpers.py", line 67, in wrapper
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     return method(*args, **kwargs)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 594, in _delete_portchain_path
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     port_chain['flow_classifiers']
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 577, in _delete_path_node_flowrule
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     context, node, port, pc_corr, fc_ids)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 568, in _delete_path_node_port_flowrule
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     self._delete_agent_fdb_entries(context, flow_rule)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 192, in _delete_agent_fdb_entries
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     self._call_on_l2pop_driver(context, "remove_fdb_entries", flow_rule)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 170, in _call_on_l2pop_driver
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     pop_ports = self._get_remote_pop_ports(context, flow_rule)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/oslo_log/helpers.py", line 67, in wrapper
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     return method(*args, **kwargs)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/drivers/ovs/driver.py", line 133, in _get_remote_pop_ports
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     next_hop['net_uuid'])
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/l2pop/db.py", line 152, in get_agent_network_active_port_count
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager     query = context.session.query(models_v2.Port)
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager AttributeError: 'PortChainContext' object has no attribute 'session'
2019-04-04 12:00:10.186 182062 ERROR networking_sfc.services.sfc.driver_manager
2019-04-04 12:00:10.188 182062 ERROR networking_sfc.services.sfc.driver_manager [req-d03ef918-2314-4728-bb8b-c5670b4b9da1 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] SFC driver 'ovs' failed in delete_port_chain
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin [req-d03ef918-2314-4728-bb8b-c5670b4b9da1 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] delete_port_chain failed.: SfcDriverError: delete_port_chain failed.
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin Traceback (most recent call last):
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/plugin.py", line 99, in delete_port_chain
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin     self.driver_manager.delete_port_chain(pc_context)
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 130, in delete_port_chain
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin     self._call_drivers("delete_port_chain", context)
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 113, in _call_drivers
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin     method=method_name
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin SfcDriverError: delete_port_chain failed.
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin
2019-04-04 12:00:10.189 182062 ERROR networking_sfc.services.sfc.plugin [req-d03ef918-2314-4728-bb8b-c5670b4b9da1 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] Delete port chain failed, portchain 'b8bba555-e22b-46ee-8267-dc8babe07ef2': SfcDriverError: delete_port_chain failed.
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource [req-d03ef918-2314-4728-bb8b-c5670b4b9da1 c8c777caa52b45649a6c312b38e81956 1c915b508cfa4c799389bf354fceb056 - default default] delete failed: No details.: SfcDriverError: delete_port_chain failed.
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource Traceback (most recent call last):
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/resource.py", line 98, in resource
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     result = method(request=request, **args)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 551, in delete
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     return self._delete(request, id, **kwargs)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 91, in wrapped
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     self.force_reraise()
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 87, in wrapped
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_db/api.py", line 147, in wrapper
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     self.force_reraise()
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_db/api.py", line 135, in wrapper
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 126, in wrapped
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     LOG.debug("Retry wrapper got retriable exception: %s", e)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     self.force_reraise()
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 122, in wrapped
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 579, in _delete
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     obj_deleter(request.context, id, **kwargs)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_log/helpers.py", line 67, in wrapper
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     return method(*args, **kwargs)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/plugin.py", line 104, in delete_port_chain
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     portchain_id)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     self.force_reraise()
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/plugin.py", line 99, in delete_port_chain
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     self.driver_manager.delete_port_chain(pc_context)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 130, in delete_port_chain
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     self._call_drivers("delete_port_chain", context)
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/networking_sfc/services/sfc/driver_manager.py", line 113, in _call_drivers
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource     method=method_name
2019-04-04 12:00:10.191 182062 ERROR neutron.api.v2.resource SfcDriverError: delete_port_chain failed.

Due to this error, I am unable to delete the existing chain. I am using openstack queens Full installation. Please let me know how to triage this issue.

Kind Regards,
Navdeep

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