On Sun, Oct 19, 2025 at 06:43:31PM +0300, Henrik Ahlgren wrote: > Bigsy Bohr <curtyshoo@gmail.com> writes: > > > enp3s0 → Ethernet (p = PCI bus 3, s = slot 0) > > ens33 → Ethernet on onboard slot 33 > > wlp2s0 → Wireless (p = PCI bus 2, slot 0) > > > > That's it. End of story (but of course, with you, Grandpa, it's always a > > never-ending story) > > To be fair, Yes, I also think the quip was somewhat unfair. > this is only true for PCI Ethernet adapters. From the > information he has provided to me off-list, it is indeed the case that > the ethernet-over-USB device in question (essentially a 4G router I > believe) IS changing MACs on each power cycle, so the names are not > predictable, without some sort of udev configuration or other tricks. I > don't think it's common for routers to do MAC randomization on the wired > Ethernet side, but these USB dongles often behave in odd ways. Following the thread, that was my impression too. Since it seems to be a device which can be used on the move, MAC randomisation kind of makes sense, to thwart tracking. Combined with "predictable" device names it is, of course, a train wreck :-) Cheers -- t
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