libffi-3.4.4: registering info file /usr/pkg/info/libffi.info
pkg_add: A different version of ruby31-concurrent-ruby-1.1.10 is already installed: ruby31-concurrent-ruby-1.2.0
pkg_add: package `ruby31-base-3.1.3' was already installed as dependency, now marked as installed manually
pkg_add: 1 package addition failed
===========================================================================
$NetBSD: MESSAGE,v 1.2 2022/01/16 14:22:06 taca Exp $

Note that this is a minimal package.

The original ruby-3.1.3 distribution includes more extension
libraries, some of which are provided as separate packages:

	devel/ruby-readline:		readline module

===========================================================================