Fetching iperf-3.20.tar.gz
Unable to fetch http://cdn.NetBSD.org/pub/pkgsrc/distfiles/iperf-3.20.tar.gz: 404 Not Found
Unable to fetch https://downloads.es.net/pub/iperf/iperf-3.20.tar.gz: 500 Internal Server Error
Unable to fetch https://cdn.NetBSD.org/pub/pkgsrc/distfiles/iperf-3.20.tar.gz: 404 Not Found
Unable to fetch http://ftp.fr.NetBSD.org/pub/pkgsrc/distfiles/iperf-3.20.tar.gz: 404 Not Found
Unable to fetch https://ftp.NetBSD.org/pub/pkgsrc/distfiles/iperf-3.20.tar.gz: 404 Not Found
*** Error code 1

Stop.
bmake: stopped making "checksum" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/net/iperf3