Man pages matching name knet_link_set_ping_timers in section 3:

knet_link_set_ping_timers.3.en	debian 10 / libknet-doc
knet_link_set_ping_timers.3.en	debian 11 / libknet-doc
knet_link_set_ping_timers.3.en	debian 12 / libknet-doc