/usr/share/man/man8/ipmimonitoring.8.gz is in freeipmi-tools 1.1.5-3ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man8/ipmi-sensors.8.gz
/usr/share/man/man8/ipmi-sensors.8.gz