The buildbots have tested this very thoroughly, I just figured out why it fails on NetBSD and OpenBSD - these systems, by default, have a limit of 4 tun devices and the BBs use one of them for the community VPN, so when starting 4 server instances, we run out.
Fix: # cd /dev ; ./MAKEDEV tun4 yes, nothing dynamic there... Also, we agreed that we should fix the number mapping "client instance number -> server number" so that it's easier to maintain because we know "all client tests 4<x> go to server instance <4>" while it's a bit unorderly right now. But this will be a different patch as it affects existing instances that are unrelated to *this* new feature. Your patch has been applied to the master branch. commit fd6d0f3cf67622c3ae052c5f94abd5fd70ee7995 Author: Samuli Seppänen Date: Tue Jul 8 09:33:51 2025 +0200 t_server_null: add multi-socket testing Signed-off-by: Samuli Seppänen <sas...@pm.me> Acked-by: Gert Doering <g...@greenie.muc.de> Message-Id: <20250708073359.32549-1-g...@greenie.muc.de> URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg32061.html Signed-off-by: Gert Doering <g...@greenie.muc.de> -- kind regards, Gert Doering
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