systemd version the issue has been seen with

258

Used distribution

Arch

Linux kernel version used

6.16.8-arch1-1

CPU architectures issue was seen on

None

Component

systemd-udevd

Expected behaviour you didn't see

Nodes in /dev/ are owned by users and groups as set in udev rules with OWNER and GROUP keys.

Unexpected behaviour you saw

systemd-udevd[509]: /etc/udev/rules.d/99-usbasp.rules:1 User 'dimich' is not a system user, ignoring.

and many more.

Steps to reproduce the problem

Create udev rule to set device node ownership, for example /etc/udev/rules.d/99-usbasp.rules :

SUBSYSTEMS=="usb", ACTION=="add|change", ATTRS{idVendor}=="16c0", ATTRS{idProduct}=="05dc", OWNER="dimich"

Reload udev rules and plug in the device.

Additional program output to the terminal or log subsystem illustrating the issue

Please, revert f5cdf9515aceca2e91f9a33b74267e0cf5a5b7e8.
It breaks working setups.