At 20:30 PST our system identified degraded performance on node v1107; we are investigating the issue.
20:44 PST we have identified the source of degradation; this issue relates to the recent CPU vulnerability patches we applied back on January 6.
In order to apply this fix, a node reboot + BIOS update is required. We will shut down all VMs shortly.
20:50 PST BIOS update is in progress; ETA: 20 minutes
20:59 BIOS update completed; all VMs will boot one by one in the next 15 minutes.