Man pages matching name bandwidthd in section 8:

bandwidthd.8.en	debian 10 / bandwidthd
bandwidthd.8.en	debian 10 / bandwidthd-pgsql
bandwidthd.8.en	debian 11 / bandwidthd
bandwidthd.8.en	debian 11 / bandwidthd-pgsql
bandwidthd.8.en	debian 12 / bandwidthd
bandwidthd.8.en	debian 12 / bandwidthd-pgsql