Comment # 1 on bug 967663 from Andreas Stieger

Thanks for your report.

You are booting your machine into a configuration that has no support for your
input device. So yes, this is really expected not to work.

Solution: Configure the initrd to support your hardware.
E.g. add a config file in /etc/dracut.conf.d/ with add_drivers="..." to match
your hardware.

Is that something that can work for you?

Unfortunately, re-building the initrd upon insertion of every random USB device
is not feasible.