I am getting this error on the latest update to 24.1.8
I did confirm, I have 3 different systems and all of them have this issue after the update.
2024-06-07T22:41:11 Error unbound [50402:0] error: remote control failed ssl crypto error:0A000415:SSL routines::sslv3 alert certificate expired
OPNsense 24.1.8-amd64
FreeBSD 13.2-RELEASE-p11
OpenSSL 3.0.13