All websites point to default page

I have looked at #118348. This was caused by fail2ban updating using the epel repo instead of the plesk repo. Problems don't start right away. They begin with excessive memory usage with Dr Web, fail2ban zombies, and watchdog cycles these services. Plesk is unable to update records without timing out. Then all the websites over multiple IPs start pointing to the default page.

I have uninstalled the epel repo fail2ban and replaced it with the plesk version. I have re-started the drwebd and...

All websites point to default page