Man pages matching name bpf in section 2:

bpf.2.en	debian 10 / manpages-dev
bpf.2.en	debian 11 / manpages-dev
bpf.2.fr	debian 11 / manpages-fr-dev
bpf.2.en	debian 12 / manpages-dev
bpf.2.fr	debian 12 / manpages-fr-dev
bpf.2.ru	debian 12 / manpages-ru-dev