Summary
As T7885 turns out to be a config load related bug the user will only be informed when entering conf mode that something is off.
Last login: Tue Sep 30 21:00:59 2025 from 2003:ec:707:b0a:732f::x vyos@vyos:~$ configure WARNING: There was a config error on boot: saving the configuration now could overwrite data. You may want to check and reload the boot config
The OS tty0 on the other hand will have some direct information on the other hand:
Idea
Transport the message from tty0 to the MOTD system to immediatly nag the user loggin in.
Welcome to VyOS!
┌── ┐
. VyOS 2025.09.27-0018-rolling
└ ──┘ current
* Documentation: https://docs.vyos.io/en/latest
* Project news: https://blog.vyos.io
* Bug reports: https://vyos.dev
You can change this banner using "set system login banner post-login" command.
VyOS is a free software distribution that includes multiple components,
you can check individual component licenses under /usr/share/doc/*/copyright
---
WARNING: This VyOS system is not a stable long-term support version and
is not intended for production use.
!!!!!
There were errors loading the configuration
Please examine the errors in:
/tmp/boot-config-trace
!!!!!
Last login: Tue Sep 30 21:00:59 2025 from 2003:ec:707:b0a:732f:1725:e6e1:2daf
vyos@vyos:~$