I get the following messages on Ubuntu 14.10 . Any hints?
looking like device 8086:e005 and 8087:0a99
[128973.236083] usb 1-1: new high-speed USB device number 4 using ehci-pci
[128973.381206] usb 1-1: New USB device found, idVendor=8086, idProduct=e005
[128973.381215] usb 1-1: New USB device strings: Mfr=2, Product=1, SerialNumber=3
[128973.381221] usb 1-1: Product: MERRIFIELD
[128973.381226] usb 1-1: Manufacturer: INTEL
[128973.381231] usb 1-1: SerialNumber: D70F7DA256761A8AC5A2B79D54EE10F0
[128982.289907] usb 1-1: USB disconnect, device number 4
[128983.196084] usb 1-1: new high-speed USB device number 5 using ehci-pci
[128983.341261] usb 1-1: New USB device found, idVendor=8086, idProduct=e005
[128983.341270] usb 1-1: New USB device strings: Mfr=2, Product=1, SerialNumber=3
[128983.341276] usb 1-1: Product: MERRIFIELD
[128983.341281] usb 1-1: Manufacturer: INTEL
[128983.341286] usb 1-1: SerialNumber: D70F7DA256761A8AC5A2B79D54EE10F0
[128983.347633] usb 1-1: USB disconnect, device number 5
[128985.988247] usb 1-1: new high-speed USB device number 6 using ehci-pci
[128986.120923] usb 1-1: New USB device found, idVendor=8087, idProduct=0a99
[128986.120932] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[128986.120937] usb 1-1: Product: USB download gadget
[128986.120942] usb 1-1: Manufacturer: Intel
[128988.650831] usb 1-1: USB disconnect, device number 6
[128996.228096] usb 1-1: new high-speed USB device number 7 using ehci-pci
[128996.361215] usb 1-1: Dual-Role OTG device on non-HNP port
[128996.361335] usb 1-1: can't set HNP mode: -32
[128996.476318] usb 1-1: new high-speed USB device number 8 using ehci-pci
[128996.609207] usb 1-1: Dual-Role OTG device on non-HNP port
[128996.609327] usb 1-1: can't set HNP mode: -32
[128996.724068] usb 1-1: new high-speed USB device number 9 using ehci-pci
[128996.745327] usb 1-1: Dual-Role OTG device on non-HNP port
[128996.745449] usb 1-1: can't set HNP mode: -32
[128996.860068] usb 1-1: new high-speed USB device number 10 using ehci-pci
[128996.881323] usb 1-1: Dual-Role OTG device on non-HNP port
[128996.881444] usb 1-1: can't set HNP mode: -32
[128996.884053] usb usb1-port1: unable to enumerate USB device
[128997.148088] usb 2-1: new full-speed USB device number 2 using uhci_hcd
[128997.304052] usb 2-1: not running at top speed; connect to a high speed hub
[128997.341186] usb 2-1: Dual-Role OTG device on non-HNP port
[128997.344050] usb 2-1: can't set HNP mode: -32
[128997.456613] usb 2-1: new full-speed USB device number 3 using uhci_hcd
[128997.612042] usb 2-1: not running at top speed; connect to a high speed hub
[128997.649045] usb 2-1: Dual-Role OTG device on non-HNP port
[128997.652045] usb 2-1: can't set HNP mode: -32
[128997.764092] usb 2-1: new full-speed USB device number 4 using uhci_hcd
[128997.809036] usb 2-1: not running at top speed; connect to a high speed hub
[128997.846064] usb 2-1: Dual-Role OTG device on non-HNP port
[128997.848194] usb 2-1: can't set HNP mode: -32
[128997.960093] usb 2-1: new full-speed USB device number 5 using uhci_hcd
[128998.005051] usb 2-1: not running at top speed; connect to a high speed hub
[128998.038100] usb 2-1: Dual-Role OTG device on non-HNP port
[128998.040510] usb 2-1: can't set HNP mode: -32
[128998.043908] usb usb2-port1: unable to enumerate USB device