Clearing the router gateway causes continuous traceback in cisco-cfg-agent.log.
2015-10-02 06:20:22.668 2292 INFO neutron.plugins.cisco.cfg_agent.device_drivers.csr1kv.iosxe_routing_driver [-] Config generated for [00000000-0000-0000-0000-000000000002] DELETE_NAT_POOL is:
<config>
<cli-config-data>
<cmd>no ip nat pool nrouter-6cb586_nat_pool 169.254.128.19 169.254.128.19 netmask 255.255.255.0</cmd>
</cli-config-data>
</config>
caller:neutron.plugins.cisco.cfg_agent.device_drivers.asr1k.asr1k_routing_driver.ASR1kRoutingDriver._set_nat_pool
2015-10-02 06:20:22.781 2292 DEBUG neutron.plugins.cisco.cfg_agent.device_drivers.csr1kv.iosxe_routing_driver [-] RPCReply for DELETE_NAT_POOL is <?xml version="1.0" encoding="UTF-8"?><rpc-reply message-id="urn:uuid:55e96aee-6908-11e5-b146-7c69f62c4f2f" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"><ok /></rpc-reply> _check_response /usr/lib/python2.7/site-packages/neutron/plugins/cisco/cfg_agent/device_drivers/csr1kv/iosxe_routing_driver.py:722
2015-10-02 06:20:22.782 2292 INFO neutron.plugins.cisco.cfg_agent.device_drivers.csr1kv.iosxe_routing_driver [-] DELETE_NAT_POOL was successfully executed
2015-10-02 06:20:22.782 2292 INFO neutron.plugins.cisco.cfg_agent.device_drivers.csr1kv.iosxe_routing_driver [-] Config generated for [00000000-0000-0000-0000-000000000002] REMOVE_DEFAULT_ROUTE_WITH_INTF is:
<config>
<cli-config-data>
<cmd>no ip route vrf nrouter-6cb586 0.0.0.0 0.0.0.0 Port-channel11.506 169.254.128.1</cmd>
</cli-config-data>
</config>
caller:neutron.plugins.cisco.cfg_agent.device_drivers.asr1k.asr1k_routing_driver.ASR1kRoutingDriver._remove_default_route
2015-10-02 06:20:22.846 2292 ERROR neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper [-] Exception in processing routers on device:00000000-0000-0000-0000-000000000002
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper Traceback (most recent call last):
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/neutron/plugins/cisco/cfg_agent/service_helpers/routing_svc_helper.py", line 464, in _process_routers
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper self._process_router(ri)
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/neutron/plugins/cisco/cfg_agent/service_helpers/routing_svc_helper.py", line 531, in _process_router
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper self._external_gateway_removed(ri, ri.ex_gw_port)
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/neutron/plugins/cisco/cfg_agent/service_helpers/routing_svc_helper.py", line 727, in _external_gateway_removed
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper driver.external_gateway_removed(ri, ex_gw_port)
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/neutron/plugins/cisco/cfg_agent/device_drivers/asr1k/asr1k_routing_driver.py", line 92, in external_gateway_removed
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper self._remove_default_route(ri, ext_gw_port)
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/neutron/plugins/cisco/cfg_agent/device_drivers/asr1k/asr1k_routing_driver.py", line 267, in _remove_default_route
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper 'REMOVE_DEFAULT_ROUTE_WITH_INTF')
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/neutron/plugins/cisco/cfg_agent/device_drivers/csr1kv/iosxe_routing_driver.py", line 691, in _edit_running_config
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper rpc_obj = conn.edit_config(target='running', config=conf_str)
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/ncclient/manager.py", line 151, in wrapper
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper return self.execute(op_cls, *args, **kwds)
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/ncclient/manager.py", line 221, in execute
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper raise_mode=self._raise_mode).request(*args, **kwds)
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/ncclient/operations/edit.py", line 67, in request
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper return self._request(node)
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/ncclient/operations/rpc.py", line 305, in _request
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper self._reply.error.message):
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper File "/usr/lib/python2.7/site-packages/ncclient/devices/default.py", line 163, in is_rpc_error_exempt
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper error_text = error_text.lower().strip()
2015-10-02 06:20:22.846 2292 TRACE neutron.plugins.cisco.cfg_agent.service_helpers.routing_svc_helper AttributeError: 'NoneType' object has no attribute 'lower'
