your system has kernel warnings and hung task errors, and you appear to be using an unsupported 5.9 kernel, it seems the problem is there, not with systemd/udevd.
** Package changed: systemd (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1945066 Title: package udev 245.4-4ubuntu3.11 failed to install/upgrade: installed udev package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1945066/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs