It was not a clean upgrade. Grub got corrupted on one machine, one server didn't properly export the exports until I manually restarted the nfs server. There were quite a few broken NFS mounts. So, some things were back up at 11:16, and the broken systems were gradually restored with restoration completed at 12:07. https://friendica.eskimo.com/
are back up and operational. Actually this was one of the things operational at 11:16.