Weird Serial number with Fitbit Base Station dongle

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Hi,

This is probably a minor issue, but when plugin the Fitbit base station
dongle, I'm getting some weird serial number in dmesg.

Can something be done here?

Kind regards

Laurent Bigonville

[ 9993.722197] usb 1-1.2: new full-speed USB device number 7 using ehci-pci
[ 9993.820617] usb 1-1.2: New USB device found, idVendor=2687, idProduct=fb01
[ 9993.820622] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 9993.820625] usb 1-1.2: Product: Fitbit Base Station
[ 9993.820627] usb 1-1.2: Manufacturer: Fitbit Inc.
[ 9993.820629] usb 1-1.2: SerialNumber: \xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf
[ 9993.824615] hid-generic 0003:2687:FB01.0008: hiddev0,hidraw1: USB HID v1.11 Device [Fitbit Inc. Fitbit Base Station] on usb-0000:00:1a.0-1.2/input0
[ 9993.827453] hid-generic 0003:2687:FB01.0009: hiddev0,hidraw2: USB HID v1.11 Device [Fitbit Inc. Fitbit Base Station] on usb-0000:00:1a.0-1.2/input1


Bus 001 Device 007: ID 2687:fb01  
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        32
  idVendor           0x2687 
  idProduct          0xfb01 
  bcdDevice            1.00
  iManufacturer           1 Fitbit Inc.
  iProduct                2 Fitbit Base Station
  iSerial                 3 ����������������
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           73
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower               50mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      54
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               2
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               2
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      54
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               2
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               2
Device Status:     0x0002
  (Bus Powered)
  Remote Wakeup Enabled
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