On Wed, Jun 17, 2020 at 05:50:09PM +0000, Monit wrote:

Connection succeeded Service wolpertinger-web

Date:        Wed, 17 Jun 2020 19:50:09
Action:      alert
Host:        server01
Description: connection succeeded to [bridges.torproject.org]:443/wolpertinger/ [TCP/IP TLS]

Huh, wolpertinger did not have a @reboot line in polyanthum's cron tab, so it didn't come back up after the latest reboot. This should now be fixed.