Bug#1127599: Info received (Bug#1127599: Info received (Bug#1127599: Acknowledgement (linux-image-6.12.69+deb13-amd64: gre6 tunnels no longer work after upgrading to linux-image-6.12.69+deb13-amd64)))

[Tobias Fiebig]

The corresponding upstream fix seems to be this patch:

https://lore.kernel.org/all/20251211173550.2032674-1-eduma...@google.com/

I am not a coder, but from the looks of it I cannot really see how this
might lead to all gre6 packets running into an error.