152c8946b3
This reverts commit 0f5a529217f1327f020ab54deed09e6fae1f1fef. As discussed in https://github.com/systemd/systemd/issues/33104, that patch caused problems in Debian which has a udev drop-in with [Match] Path=*-usb-* [Link] NamePolicy=mac The rename fails: eth0: Policy *mac* yields "enx00*". eth0: /usr/lib/udev/rules.d/80-net-setup-link.rules:11 NAME 'enx00*' eth0: /usr/lib/udev/rules.d/99-systemd.rules:69 RUN '/usr/lib/systemd/systemd-sysctl --prefix=/net/ipv4/conf/$name --prefix=/net/ipv4/neigh/$ eth0: sd-device: Created database file '/run/udev/data/n9' for '/devices/pci0000:00/0000:00:1c.4/0000:02:00.0/0000:03:01.0/0000:05:00.0/0000: eth0: Failed to rename network interface 9 from 'eth0' to 'enx00*': File exists eth0: sd-device: Created database file '/run/udev/data/n9' for '/devices/pci0000:00/0000:00:1c.4/0000:02:00.0/0000:03:01.0/0000:05:00.0/0000: eth0: Failed to process device, ignoring: File exists Two network interfaces have the same MAC and it's not marked NET_ADDR_STOLEN. In this case the conflict is very visible because it causes the rename to fail, but it would also occur in other cases, for alternative names. A patch has been submitted for r8152 to properly set NET_ADDR_STOLEN: https://lore.kernel.org/linux-usb/20240605153340.25694-1-gmazyland@gmail.com/T/#u Let's revert this now to avoid a regression. We can try again after the kernel issue is resolved. Closes https://github.com/systemd/systemd/issues/33104.
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