19335.070600] usb 1-4: new full-speed USB device number 12 using xhci_hcd
[19350.582511] usb 1-4: device descriptor read/64, error -110
[19366.198379] usb 1-4: device descriptor read/64, error -110
[19366.438340] usb 1-4: new full-speed USB device number 13 using xhci_hcd
[19382.074261] usb 1-4: device descriptor read/64, error -110
[19397.690136] usb 1-4: device descriptor read/64, error -110
[19397.802262] usb usb1-port4: attempt power cycle
[19398.214075] usb 1-4: new full-speed USB device number 14 using xhci_hcd
[19403.450176] usb 1-4: device descriptor read/8, error -110
[19408.822125] usb 1-4: device descriptor read/8, error -110
[19409.061982] usb 1-4: new full-speed USB device number 15 using xhci_hcd
[19414.198090] usb 1-4: device descriptor read/8, error -110
[19419.574045] usb 1-4: device descriptor read/8, error -110
[19419.686081] usb usb1-port4: unable to enumerate USB device