== DIAGNOSTIC OPTIONS

--log-level <level>:: Set the active log level.
Supported levels in lowest to highest order are "noisy", "debug", "info", "message", "warning", "critical", and "error".
Messages at each level and higher will be printed, for example "warning" prints "warning", "critical", and "error" messages and "noisy" prints all messages.
Levels are case insensitive.

--log-fatal <level>:: Abort the program if any messages are logged at the specified level or higher.
For example, "warning" aborts on any "warning", "critical", or "error" messages.

// XXX List available domains if no list is provided?
--log-domains <list>:: Only print messages for the specified log domains, e.g. "GUI,Epan,sshdump".
List of domains must be comma-separated.

--log-debug <list>:: Force the specified domains to log at the "debug" level.
List of domains must be comma-separated.

--log-noisy <list>:: Force the specified domains to log at the "noisy" level.
List of domains must be comma-separated.

--log-file <path>:: Write log messages and stderr output to the specified file.
