[12386.394542] usb 2-1.2: device descriptor read/64, error -32
[12386.570681] usb 2-1.2: device descriptor read/64, error -32
[12386.746804] usb 2-1.2: new full-speed USB device number 6 using ehci-pci
[12386.818865] usb 2-1.2: device descriptor read/64, error -32
[12386.994904] usb 2-1.2: device descriptor read/64, error -32
[12387.171049] usb 2-1.2: new full-speed USB device number 7 using ehci-pci
[12387.579096] usb 2-1.2: device not accepting address 7, error -32
[12387.651277] usb 2-1.2: new full-speed USB device number 8 using ehci-pci
[12388.059333] usb 2-1.2: device not accepting address 8, error -32
[12388.059552] hub 2-1:1.0: unable to enumerate USB device on port 2