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Date:   Thu, 14 Dec 2023 15:50:41 +0100 (CET)
From:   Julia Lawall <julia.lawall@inria.fr>
To:     Ivan Vecera <ivecera@redhat.com>
cc:     "David S. Miller" <davem@davemloft.net>,
        linux-kernel@vger.kernel.org
Subject: Re: Failed to start Raise network interfaces error
In-Reply-To: <4a053d6a-92c6-4d01-bfe5-2349d64cc429@redhat.com>
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On Thu, 14 Dec 2023, Ivan Vecera wrote:

> On 14. 12. 23 15:33, Julia Lawall wrote:
> >
> >
> > On Tue, 12 Dec 2023, Ivan Vecera wrote:
> >
> > >
> > >
> > > On 12. 12. 23 17:33, Julia Lawall wrote:
> > > > > Look at 'systemd.net-naming-scheme' man page for details how the
> > > > > interface
> > > > > names are composed.
> > > > After booting into 6.7.0-rc4, I have the following in
> > > > /etc/network/interfaces:
> > > >
> > > > # This file describes the network interfaces available on your system
> > > > # and how to activate them. For more information, see interfaces(5).
> > > >
> > > > source/etc/network/interfaces.d/*
> > > >
> > > > # The loopback network interface
> > > > auto lo
> > > > iface lo inet loopback
> > > >
> > > > auto enp24s0f0
> > > > iface enp24s0f0 inet dhcp
> > >
> > > Just change 'enp24s0f0' in /etc/network/interfaces to 'enp24s0f0np0'
> >
> > Hello,
> >
> > I don't know if anything can be done about it, but this change introduces
> > complexities.  The people who manage the cluster that I use say that the
> > name of the network interface should be predictable, which is no longer
> > the case because it now depends on the kernel version.
>
> In this case, you can configure custom udev rule that will fix the name of the
> interface... Like:
>
> host ~ # cat /etc/udev/rules.d/70-network.rules
> ACTION=="add", SUBSYSTEM=="net", DRIVERS=="i40e",\
> ATTR{address}=="xx:xx:xx:xx:xx:xx", NAME="enp24s0f0"
> ACTION=="add", SUBSYSTEM=="net", DRIVERS=="i40e",\
> ATTR{address}=="yy:yy:yy:yy:yy:yy", NAME="enp24s0f1"

Thanks!

julia