Install spice-client-glib-usb-acl-helper by entering the following commands in the terminal:
sudo apt update sudo apt install spice-client-glib-usb-acl-helper
Description:
Helper tool to validate usb ACLs
When passthrough USB devices to VMs, spice-client-glib-usb-acl-helper is called to validate usb ACLs via policykit policy
Homepage: http://www.spice-space.org/
Version: 0.34-1.1build1
Section: universe/misc