Here's debug logs for libvirtd. The USB drive has two partitions (made by the manufacturer). The first one contains some Windows Setup.exe.
** Attachment added: "libvirtd debug logs" https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1814061/+attachment/5236985/+files/libvirtd.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1814061 Title: Adding USB host device, USB drive to guest VM fails, mounts drive in Nautilus instead To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1814061/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
