netdev - Re: [PATCH net] i40e: Prevent unwanted interface name changes

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Message-ID: <aKthD02IN3-l-Rbj@mozart.vkv.me>
Date: Sun, 24 Aug 2025 11:59:27 -0700
From: Calvin Owens <calvin@...nvd.org>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Michal Schmidt <mschmidt@...hat.com>, netdev@...r.kernel.org,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Jedrzej Jagielski <jedrzej.jagielski@...el.com>,
	Ivan Vecera <ivecera@...hat.com>, intel-wired-lan@...ts.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] i40e: Prevent unwanted interface name changes

On Friday 08/22 at 07:23 -0700, Jakub Kicinski wrote:
> On Thu, 21 Aug 2025 21:23:20 -0700 Calvin Owens wrote:
> > > > If you actually have data on that, obviously that's different. But it
> > > > sounds like you're guessing just like I am.  
> > > 
> > > I could only guess about other OS Vendors, one could check it also
> > > for Ubuntu in their public git, but I don't think we need more data, as
> > > ultimate judge here are Stable Maintainers  
> > 
> > Maybe I'm barking up the wrong tree, it's udev after all that decides to
> > read the thing in /sys and name the interfaces differently because it's
> > there...
> 
> Yeah, that's my feeling. Ideally there should be a systemd-networkd
> setting that let's user opt out of adding the phys_port_name on
> interfaces. 99% of users will not benefit from these, new drivers or
> old. We're kinda making everyone suffer for the 1% :(

Thanks Jakub.

I let myself get too worked up about this, I apologize for being such a
pig in this thread. My frustration is not directed at anybody here, I
hope it hasn't come across that way.