On 2025-03-05 07:38, Helmut Grohne wrote:
I am surprised to see this happen. Back in older times, interfaces used to be named like eth0, but that should not be happening since quite a number of stable releases. Those old systems that still use eth0 today tend to do it due to a file /etc/udev/rules.d/70-persistent-net.rules. Does that exist and list your interface on the affected system? If not, can you try figuring out why it was still named eth0 before upgrading?
It was buster to bullseye. A machine I had forgotten since it was running perfectly. It was my fault that I didn't read the 3000 lines of NEWS for the upgrade, but I have done buster upgrades before and I didn't lose network connectivity then. I forgot that the ifname would change.
Can you try figuring out what dependency caused Network Manager to be installed? Your apt or dpkg logs may be helpful here.
I am looking into it. Cheers, K. C. -- regards Helmut K. C. Tessarek KeyID 0x172380A011EF4944 Key fingerprint = 8A55 70C1 BD85 D34E ADBC 386C 1723 80A0 11EF 4944 /* Thou shalt not follow the NULL pointer for chaos and madness await thee at its end. */
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