When sciond fails to find any paths: ``` 2019-10-31 14:26:07.868437+0000 [DBUG] Replied with paths debug_id=42f0a1eb num_paths=0 2019-10-31 14:26:07.868450+0000 [DBUG] [TRACE] Full reply debug_id=42f0a1eb paths= > ErrorCode=SCIOND experienced an internal error > ``` - It shouldn't return an internal error when no paths are found - The non-trace log line doesn't mention that an error was returned.