check_mk -I --debug -vv exit3.erfurt.freifunk.net
Discovering services on: exit3.erfurt.freifunk.net
exit3.erfurt.freifunk.net:
+ FETCHING DATA
 [agent] No persisted sections loaded
 [agent] Not using cache (Does not exist)
 [agent] Execute data source
 [agent] ERROR: list index out of range
Traceback (most recent call last):
  File "/omd/sites/mon/bin/check_mk", line 94, in <module>
    exit_status = modes.call(mode_name, mode_args, opts, args)
  File "/omd/sites/mon/lib/python/cmk_base/modes/__init__.py", line 72, in call
    return mode.handler_function(*handler_args)
  File "/omd/sites/mon/lib/python/cmk_base/modes/check_mk.py", line 1498, in mode_discover
    discovery.do_discovery(hostnames, options.get("checks"), options["discover"] == 1)
  File "/omd/sites/mon/lib/python/cmk_base/discovery.py", line 130, in do_discovery
    multi_host_sections = _get_host_sections_for_discovery(sources, use_caches=use_caches)
  File "/omd/sites/mon/lib/python/cmk_base/discovery.py", line 889, in _get_host_sections_for_discovery
    return sources.get_host_sections(max_cachefile_age)
  File "/omd/sites/mon/lib/python/cmk_base/data_sources/__init__.py", line 279, in get_host_sections
    host_sections_from_source = source.run()
  File "/omd/sites/mon/lib/python/cmk_base/data_sources/abstract.py", line 133, in run
    raw_data, is_cached_data = self._get_raw_data()
  File "/omd/sites/mon/lib/python/cmk_base/data_sources/abstract.py", line 182, in _get_raw_data
    raw_data = self._execute()
  File "/omd/sites/mon/lib/python/cmk_base/data_sources/programs.py", line 61, in _execute
    return self._get_agent_info_program(command_line, command_stdin)
  File "/omd/sites/mon/lib/python/cmk_base/data_sources/programs.py", line 64, in _get_agent_info_program
    exepath = commandline.split()[0]  # for error message, hide options!
IndexError: list index out of range