Man pages matching name gfstat in section 1:

gfstat.1.en	debian 10 / gfarm-client
gfstat.1.ja	debian 10 / gfarm-client
gfstat.1.en	debian 11 / gfarm-client
gfstat.1.ja	debian 11 / gfarm-client
gfstat.1.en	debian 12 / gfarm-client
gfstat.1.ja	debian 12 / gfarm-client