Log Analyzer Rule Not Triggering - No Alert Instance Being Created

I recently created a rule to automatically create a ServiceNow ticket any time a particular log message is seen.  This was created using Log Analyzer which automatically created a corresponding alert.  It simply looks for the text 'LINK_DEAD' in any syslog message and is supposed to then trigger an alert and ticket creation.  I am not seeing the alert ever trigger despite seeing the log messages come through.  I included some screenshots of the basic configuration.  If anyone has experience with something like this, I would appreciate any sort of feedback!

Log Analyzer Rule

Alert generated from log analyzer rule

Example of event in log which should have triggered the alert.

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