Comment 3 for bug 1656115

Observed following trace in schema log

Traceback (most recent call last):
  File "/usr/bin/contrail-schema", line 9, in <module>
    load_entry_point('schema-transformer==0.1dev', 'console_scripts', 'contrail-schema')()
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 874, in server_main
    main()
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 868, in main
    args)
  File "/usr/lib/python2.7/dist-packages/cfgm_common/zkclient.py", line 346, in master_election
    self._election.run(func, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/kazoo/recipe/election.py", line 53, in run
    func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 849, in run_schema_transformer
    transformer = SchemaTransformer(args)
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 243, in __init__
    raise e
NotFoundException: NotFoundException(_message=None, why='Column family route_target_table not found.')