16.5. Debugging levels and domains


You can use the levels and domains parameters to manage the debugging for NetworkManager. The level defines the verbosity level, whereas the domains define the category of the messages to record the logs with given severity (level).

Expand
Log levelsDescription

OFF

Does not log any messages about NetworkManager

ERR

Logs only critical errors

WARN

Logs warnings that can reflect the operation

INFO

Logs various informational messages that are useful for tracking state and operations

DEBUG

Enables verbose logging for debugging purposes

TRACE

Enables more verbose logging than the DEBUG level

Note that subsequent levels log all messages from earlier levels. For example, setting the log level to INFO also logs messages contained in the ERR and WARN log level.

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