Looks like logstash1012 locked up earlier today, a powercycle brought it back to life.
# ipmi-sel ID | Date | Time | Name | Type | Event 1 | Jan-08-2019 | 21:27:32 | SEL | Event Logging Disabled | Log Area Reset/Cleared 2 | Feb-11-2019 | 11:50:47 | Fan Redundancy | Fan | Fully Redundant 3 | Apr-09-2019 | 11:50:02 | Additional Info | OEM Reserved | OEM Event Offset = 02h ; OEM Event Data2 code = 02h ; OEM Event Data3 code = 00h 4 | Apr-09-2019 | 11:50:02 | Chipset Info | OEM Reserved | OEM Event Offset = 00h ; OEM Event Data2 code = F2h ; OEM Event Data3 code = 17h 5 | Apr-09-2019 | 11:50:02 | Err Reg Pointer | OEM Reserved | OEM Event Offset = 00h 6 | Apr-09-2019 | 11:50:02 | CPU Machine Chk | Processor | transition to Non-recoverable ; OEM Event Data2 code = 01h ; OEM Event Data3 code = 14h 7 | Apr-09-2019 | 11:50:02 | MSR Info Log | OEM Reserved | OEM Event Offset = 0Dh 8 | Apr-09-2019 | 11:50:02 | MSR Info Log | OEM Reserved | OEM Event Offset = 00h 9 | Apr-09-2019 | 11:50:02 | MSR Info Log | OEM Reserved | OEM Event Offset = 00h ; OEM Event Data2 code = 00h 10 | Apr-09-2019 | 11:50:02 | MSR Info Log | OEM Reserved | OEM Event Offset = 00h 11 | Apr-09-2019 | 11:50:02 | MSR Info Log | OEM Reserved | OEM Event Offset = 0Eh 12 | Apr-09-2019 | 11:50:03 | MSR Info Log | OEM Reserved | OEM Event Offset = 00h 13 | Apr-09-2019 | 11:50:03 | MSR Info Log | OEM Reserved | OEM Event Offset = 04h 14 | Apr-09-2019 | 11:50:03 | MSR Info Log | OEM Reserved | OEM Event Offset = 0Fh 15 | Apr-09-2019 | 11:50:03 | MSR Info Log | OEM Reserved | OEM Event Offset = 0Fh 16 | Apr-09-2019 | 11:50:03 | MSR Info Log | OEM Reserved | OEM Event Offset = 00h 17 | Apr-09-2019 | 11:50:03 | MSR Info Log | OEM Reserved | OEM Event Offset = 04h 18 | Apr-09-2019 | 11:50:03 | MSR Info Log | OEM Reserved | OEM Event Offset = 0Fh