nsyshid::DeviceLibusb::open(): failed to open device;

[CyberneticSquid]

Running an Arch Linux system with Cemu 2.0-78, using the emulator in a virtual machine.
Everything else appears functional. I can access the web interface, and it appears in the VirtualHere client. (And yes, I double-clicked it and it shows as "(In use by you)".)
However, the game itself remains stuck on "Please connect the Toy Pad to the console."
Cemu's logging window shows repeated instances of

nsyshid::DeviceLibusb::open(): failed to open device; return code: %i
nsyshid::HIDRead(): Unable to find device with hid handle 2

The Toy Pad shows up in lsusb as

Bus 005 Device 003: ID 0e6f:0241 Logic3 LEGO READER V2.10