Man pages matching name gt4-interface-install in section 8:

gt4-interface-install.8.en	debian 10 / lcas-lcmaps-gt4-interface
gt4-interface-install.8.en	debian 11 / lcas-lcmaps-gt4-interface
gt4-interface-install.8.en	debian 12 / lcas-lcmaps-gt4-interface