Bug#433568: VLAN support within D-I

On Thu, Jul 30, 2026 at 01:41:41PM +0200, Cyril Brulebois wrote:
>Colin Watson <[email protected]> (2026-07-30):
>> After a fair bit of local testing, I've applied this patch to netcfg master,
>> with several additional changes of my own, and uploaded them as part of
>> netcfg 1.204.  For transparency I've kept my own changes as separate git
>> commits, and you can see them all here along with my rebased version of
>> Tyler's patch: […]
>
>Thanks for picking up that topic. I'm sorry it's never managed to get near
>the top of my todo list in so many years…

I think I remember somebody (maybe Martin?) asking me about this at 
DebConf 14 in Portland ...

>> Once this reaches daily builds
>> (https://www.debian.org/devel/debian-installer/), I'd very much appreciate
>> testing by others in live environments that use VLANs to confirm that I
>> didn't break anything.  I don't use them routinely myself; I set up a test
>> environment so that I could connect a test laptop to a trunk port, but
>> there's always the possibility that I made mistakes in both the patch and my
>> test environment that cancelled each other out.
>
>I think the “test laptop” bit increases the chance my hunch in #1143094
>might be correct: you wouldn't have gotten a short name like ens3 there,
>but something long-ish like enx00e04c680be4 or enx2e7cf2e89a52, hiding
>the alignment/padding issue?

enp0s25 in my case, but yes, since it seems that the kernel uses %6s 
here, that's long enough to hide the issue.  Will fix, thanks!