On Fri 13 Nov 2026 at 00:59:40 (+0000), Andy Smith wrote: > On Thu, Nov 12, 2026 at 09:39:17AM +0000, Tim Woodall wrote: > > You can also add a file, something like this: > > Franco did post this link which already had that advice: > > https://wiki.debian.org/NetworkInterfaceNames#custom > > > tim@dirac:/sys (none)$ cat /etc/systemd/network/10-eth0.link > > [Match] > > MACAddress=80:80:80:80:80:80 > > > > [Link] > > Name=eth0 > > …however if you are going to do this it is not advised to rename back to > a name that the system could normally pick (e.g. eth0). Best to pick > "lan0" or something like that.
Or you could copy the way that iwd does it for wireless interfaces: [Match] Type=ether (in place of iwd's wlan) [Link] NamePolicy=keep kernel as documented in man systemd.link. Cheers, David.
