Yes, you are correct. The ethernet2 interface has L2 connectivity, but the interface is administratively shut down, so it is not passing any traffic. When you manually bring the interface up, you will see the status change to Up/Up.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...