usb 2-1: new full speed USB device using uhci_hcd and address 2
usb 2-1: configuration #1 chosen from 1 choice
usb 2-2: new full speed USB device using uhci_hcd and address 3
usb 2-2: configuration #1 chosen from 1 choice
hub 2-2:1.0: USB hub found
hub 2-2:1.0: config failed, can't read hub descriptor (err -22)