Man pages matching name smbmnt in section 8:

smbmnt.8.zh_CN	debian 10 / manpages-zh
smbmnt.8.zh_TW	debian 10 / manpages-zh
smbmnt.8.zh_CN	debian 11 / manpages-zh
smbmnt.8.zh_TW	debian 11 / manpages-zh
smbmnt.8.zh_CN	debian 12 / manpages-zh
smbmnt.8.zh_TW	debian 12 / manpages-zh