# python2.7 /usr/bin/salt-call -ldebug grains.items
[DEBUG   ] Reading configuration from /etc/salt/minion
[DEBUG   ] Using cached minion ID from /etc/salt/minion_id: ip-10-20-1-98.ec2.internal
[INFO    ] Processing `log_handlers.mongo`
[ERROR   ] 'log4mongo_handler'
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/salt/utils/parsers.py", line 181, in parse_args
    mixin_after_parsed_func(self)
  File "/usr/lib/python2.7/dist-packages/salt/utils/parsers.py", line 728, in __setup_extended_logging
    log.setup_extended_logging(self.config)
  File "/usr/lib/python2.7/dist-packages/salt/log/setup.py", line 658, in setup_extended_logging
    handlers = list(handlers)
  File "/usr/lib/python2.7/dist-packages/salt/log/handlers/log4mongo_mod.py", line 87, in setup_handlers
    config_opts[arg_name] = __opts__[handler_id].get(config_opt)
KeyError: 'log4mongo_handler'