After the last `dnf update` and system restart, I keep hearing the sound effect for (un)plugging of a USB drive from time to time. I don't see any other symptoms but I do see a bunch of these on the kernel log:

```
[ 4873.577447] usb 1-4: reset full-speed USB device number 2 using xhci_hcd
```

ls-usb doesn't help identify what device is that:

```
/: Bus 001.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/5p, 480M
|__ Port 004: Dev 002, If 0, Class=Vendor Specific Class, Driver=[none], 12M
```

Anyone know? It's driving me crazy. I have work to do..

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