dmesg – display the system message buffer
dmesg [-M core] [-N system]
Dmesg displays the contents of the system message buffer. This command needs to be run as root.
shows all of today’s kernel msgs, including the boot process. It needs some cleaning up, but at least it contains all I needed to find.
log show --predicate "processID == 0" --start $(date "+%Y-%m-%d") --debug