[ 1514.932514] usb 5-2: new full speed USB device using uhci_hcd and address 2
[ 1515.056011] usb 5-2: device descriptor read/64, error -71
[ 1515.284011] usb 5-2: device descriptor read/64, error -71
[ 1515.500014] usb 5-2: new full speed USB device using uhci_hcd and address 3
[ 1515.624009] usb 5-2: device descriptor read/64, error -71
[ 1515.848010] usb 5-2: device descriptor read/64, error -71
[ 1516.067441] usb 5-2: new full speed USB device using uhci_hcd and address 4
[ 1516.480010] usb 5-2: device not accepting address 4, error -71
[ 1516.592015] usb 5-2: new full speed USB device using uhci_hcd and address 5
[ 1517.004508] usb 5-2: device not accepting address 5, error -71
[ 1517.004522] hub 5-0:1.0: unable to enumerate USB device on port 2
[ 1518.152013] usb 5-2: new full speed USB device using uhci_hcd and address 6
[ 1518.326728] usb 5-2: configuration #1 chosen from 1 choice
[ 1520.768018] usb 5-2: USB disconnect, address 6
[ 1521.388516] usb 5-2: new full speed USB device using uhci_hcd and address 7
[ 1521.563320] usb 5-2: configuration #1 chosen from 1 choice
[ 1656.676013] usb 5-2: USB disconnect, address 7
[ 1657.280017] usb 5-2: new full speed USB device using uhci_hcd and address 8
[ 1657.454115] usb 5-2: configuration #1 chosen from 1 choice
[ 2416.544016] usb 5-2: USB disconnect, address 8
[ 2417.152011] usb 5-2: new full speed USB device using uhci_hcd and address 9
[ 2417.321996] usb 5-2: configuration #1 chosen from 1 choice
[ 2489.456016] usb 5-2: USB disconnect, address 9
[ 2490.064012] usb 5-2: new full speed USB device using uhci_hcd and address 10
[ 2490.233980] usb 5-2: configuration #1 chosen from 1 choice
[ 2582.952016] usb 5-2: USB disconnect, address 10
[ 2583.560015] usb 5-2: new full speed USB device using uhci_hcd and address 11
[ 2583.729967] usb 5-2: configuration #1 chosen from 1 choice
[ 2709.432015] usb 5-2: USB disconnect, address 11
[ 2710.044012] usb 5-2: new full speed USB device using uhci_hcd and address 12
[ 2710.214512] usb 5-2: configuration #1 chosen from 1 choice
[ 2938.088015] usb 5-2: USB disconnect, address 12
[ 2938.696016] usb 5-2: new full speed USB device using uhci_hcd and address 13
[ 2938.865912] usb 5-2: configuration #1 chosen from 1 choice
[ 3007.032016] usb 5-2: USB disconnect, address 13
[ 3007.640014] usb 5-2: new full speed USB device using uhci_hcd and address 14
[ 3007.809899] usb 5-2: configuration #1 chosen from 1 choice
[ 3027.620017] usb 5-2: USB disconnect, address 14
[ 3028.224013] usb 5-2: new full speed USB device using uhci_hcd and address 15
[ 3028.393894] usb 5-2: configuration #1 chosen from 1 choice
[ 3031.832699] usb 5-2: USB disconnect, address 15
[ 3032.440017] usb 5-2: new full speed USB device using uhci_hcd and address 16
[ 3032.613894] usb 5-2: configuration #1 chosen from 1 choice
[ 3080.440014] usb 5-2: USB disconnect, address 16
[ 3081.048012] usb 5-2: new full speed USB device using uhci_hcd and address 17
[ 3081.217889] usb 5-2: configuration #1 chosen from 1 choice
[ 3103.256014] usb 5-2: USB disconnect, address 17
[ 3103.864014] usb 5-2: new full speed USB device using uhci_hcd and address 18
[ 3104.034460] usb 5-2: configuration #1 chosen from 1 choice