Okay, I retried and I cannot reproduce it now. I think what happened is:
* my system was hanging at the beginning due to some unrelated problem with video (mesa). * I rebooted from a pendrive, and regenerated the initrd with dracut and hostonly=yes. * I believe this somehow messed up the kernel modules included in the initrd by dracut? * Once I rebooted again to a pendrive, I changed the hostonly parameter to "no", and at the same time downgraded udev. * Things started working again for the wrong reason. I apologize for this, it seemed reproducible when I tried at the beginning. For sure it's a strange bug. Feel free to downgrade and close this.
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