Comment 1 for bug 1377467

Prakash debugged on a similar issue :
Have these errors in contrail-api-0.log :

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_ifmap.py", line 1168, in _dbe_oper_subscribe
    self._dbe_delete_notification(oper_info)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_ifmap.py", line 1270, in _dbe_delete_notification
    (ok, ifmap_result) = method(obj_info)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/gen/vnc_ifmap_client_gen.py", line 7949, in _ifmap_virtual_machine_delete
    self._delete_id_pair_meta(r_elem[0].attrib['name'], to_imid, meta_name)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_ifmap.py", line 343, in _delete_id_pair_meta
    _id_to_metas_delete(id_x, id_y, meta_name)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_ifmap.py", line 324, in _id_to_metas_delete
    if meta_name not in self._id_to_metas[id1]:
KeyError: 'contrail:service-instance:default-domain:TestRouters-01229666:si_21072655-bd1c-433b-b818-fb3c838bd734'

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_ifmap.py", line 1168, in _dbe_oper_subscribe
    self._dbe_delete_notification(oper_info)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_ifmap.py", line 1270, in _dbe_delete_notification
    (ok, ifmap_result) = method(obj_info)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/gen/vnc_ifmap_client_gen.py", line 1216, in _ifmap_instance_ip_delete
    self._delete_id_pair_meta(r_elem[0].attrib['name'], to_imid, meta_name)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_ifmap.py", line 343, in _delete_id_pair_meta
    _id_to_metas_delete(id_x, id_y, meta_name)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_ifmap.py", line 324, in _id_to_metas_delete
    if meta_name not in self._id_to_metas[id1]:
KeyError: 'contrail:virtual-machine-interface:default-domain:TestRouters-01229666:default-domain__TestRouters-01229666__c2a0c10f-f6f2-4b51-bdb7-9f3d062f760e__1-right'