Man pages matching name rpcdebug in section 8:

rpcdebug.8.en	debian 10 / nfs-common
rpcdebug.8.fr	debian 11 / manpages-fr
rpcdebug.8.en	debian 11 / nfs-common
rpcdebug.8.fr	debian 12 / manpages-fr
rpcdebug.8.en	debian 12 / nfs-common