Author here. See https://austingroupbugs.net/view.php?id=1250 https://austingroupbugs.net/view.php?id=1250 and https://austingroupbugs.net/view.php?id=1226 http

Author here. See https://austingroupbugs.net/view.php?id=1250 https://austingroupbugs.net/view.php?id=1250 and https://austingroupbugs.net/view.php?id=1226 https://austingroupbugs.net/view.php?id=1226 with a major shoutout to Jilles Tjoelker from the FreeBSD who helped make it possible back then!