See review D28853 for the patch. Blame portmgr@ I cannot land per "maintainer timeout". clinfo patch in bug 250562 also required persistent pings.
A commit references this bug: Author: jbeich Date: Sun Mar 21 12:50:56 UTC 2021 New revision: 568916 URL: https://svnweb.freebsd.org/changeset/ports/568916 Log: devel/clinfo: update to 3.0.21.02.21 Changes: https://github.com/Oblomov/clinfo/compare/3.0.20.11.20...3.0.21.02.21 PR: 254457 Approved by: manu Differential Revision: https://reviews.freebsd.org/D28853 Changes: head/devel/clinfo/Makefile head/devel/clinfo/distinfo