ignore certain things in a log file

Could somebody tell me why this won't work?

HOST=testserver

    LOG     %/var/adm/messages kern "IGNORE=%(corrupt label|wrong

magic number)"

Trying to ignore all lines in the messages file that contain those key words.

Thanks

Kevin

This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email