I apologize for the brief interruptions of service around 4pm and 4:20pm today. Our router was being attacked by a botnet attempting to brute force guess passwords on it.
To combat this I was able to employ fail2ban, the same software we use on our hosts, as the router is based upon Debian stretch. But because the router uses an overlay file system I had to change the default logging location to a place where it would save across boots and needed to test this requiring a couple of reboots.