[   17.081829] composite sync not supported
[   17.179218] composite sync not supported
[   17.298166] composite sync not supported
[   21.712009] eth0: no IPv6 routers present
[   21.712028] usb 5-2: new low speed USB device using uhci_hcd and address 6
[   21.836013] usb 5-2: device descriptor read/64, error -71
[   22.060026] usb 5-2: device descriptor read/64, error -71
[   22.276011] usb 5-2: new low speed USB device using uhci_hcd and address 7
[   22.400021] usb 5-2: device descriptor read/64, error -71
[   22.624016] usb 5-2: device descriptor read/64, error -71
[   22.840022] usb 5-2: new low speed USB device using uhci_hcd and address 8
[   23.248016] usb 5-2: device not accepting address 8, error -71
[   23.360023] usb 5-2: new low speed USB device using uhci_hcd and address 9
[   23.725418] composite sync not supported
[   23.772015] usb 5-2: device not accepting address 9, error -71
[   23.772034] hub 5-0:1.0: unable to enumerate USB device on port 2
[   26.136493] composite sync not supported
[   64.044019] usb 5-2: new low speed USB device using uhci_hcd and address 10
[   64.164021] usb 5-2: device descriptor read/64, error -71
[   64.388015] usb 5-2: device descriptor read/64, error -71
[   64.604018] usb 5-2: new low speed USB device using uhci_hcd and address 11
[   64.724029] usb 5-2: device descriptor read/64, error -71
[   64.948022] usb 5-2: device descriptor read/64, error -71
[   65.164024] usb 5-2: new low speed USB device using uhci_hcd and address 12
[   65.572022] usb 5-2: device not accepting address 12, error -71
[   65.684022] usb 5-2: new low speed USB device using uhci_hcd and address 13
[   66.092018] usb 5-2: device not accepting address 13, error -71
[   66.092036] hub 5-0:1.0: unable to enumerate USB device on port 2
[   75.072485] Marking TSC unstable due to cpufreq changes
[   75.072561] Switching to clocksource acpi_pm