[a-z0-9]+_(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_ratelimited|_once|)|
WARN(?:_RATELIMIT|_ONCE|)|
panic|
- MODULE_[A-Z_]+
+ MODULE_[A-Z_]+|
+ LOG_(?:DEBUG|INFO|WARNING|ERROR|USER|USER_N|OUTPUT)+
)};
our $signature_tags = qr{(?xi: