This problem has been around for a long time and a lot of people have struggled with it. You can find examples such as the following on quite a few help sites, for example
https://askubuntu.com/questions/1028883/ubuntu-18-04-systemd-udevd-uses- high-cpu-conflict-with-wifi -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1788018 Title: udevd keeps binding and unbinding some usb device und uses all cpu To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1788018/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
