Jarek Poplawski wrote:

As a matter of fact I started to doubt it's a real problem: 2 vlan
headers in the row - is it working?

Yes, apparently some people are using this.

Anyway, as Patrick pointed, the previous patch was a bit buggy, and
deeper nesting needs a little more (if it's can work too...). So,
here is something minimal.

Patrick, if you think about something else, then of course don't care
about this patch.

No, this seems fine, thanks. Even better would be a way to get
the last lockdep subclass through lockdep somehow, but I couldn't
find a clean way for this. So I've applied your patch and also
fixed macvlan.