solved: dhcp6c shows "unknown or unexpected DHCP6 option opt_86, len 16" but everything is working?

[the other]

This post is deleted!

[the other]

...Aaaand sorry @ all.
Seems I am getting old. I asked about that a while ago, got an answer...but seems I are senile.
So, carry on, nothing to see here...
:)

here's my first attempt:
https://forum.netgate.com/topic/172512/wan-interface-as-dhcp-client-error/5?_=1726758878697