No.     Time                          Source                Destination           Protocol Length Info                                                            Comment
     54 2018-01-20 15:49:26.823852000 host                  7.14                  USB      448    URB_ISOCHRONOUS in                                              

Frame 54: 448 bytes on wire (3584 bits), 448 bytes captured (3584 bits) on interface 0
    Interface id: 0 (usbmon1)
    Encapsulation type: USB packets with Linux header and padding (115)
    Arrival Time: Jan 20, 2018 15:49:26.823852000 GMT
    [Time shift for this packet: 0.000000000 seconds]
    Epoch Time: 1516463366.823852000 seconds
    [Time delta from previous captured frame: 0.000358000 seconds]
    [Time delta from previous displayed frame: 0.000358000 seconds]
    [Time since reference or first frame: 29.405244000 seconds]
    Frame Number: 54
    Frame Length: 448 bytes (3584 bits)
    Capture Length: 448 bytes (3584 bits)
    [Frame is marked: True]
    [Frame is ignored: False]
    [Protocols in frame: usb]
USB URB
    URB id: 0xffff880352250400
    URB type: URB_SUBMIT ('S')
    URB transfer type: URB_ISOCHRONOUS (0x00)
    Endpoint: 0x8e, Direction: IN
        1... .... = Direction: IN (1)
        .000 1110 = Endpoint value: 14
    Device: 7
    URB bus id: 1
    Device setup request: not relevant ('-')
    Data: not present ('<')
    URB sec: 1516463366
    URB usec: 823852
    URB status: Operation now in progress (-EINPROGRESS) (-115)
    URB length [bytes]: 1344
    Data length [bytes]: 384
    [Response in: 58]
    [bInterfaceClass: Vendor Specific (0xff)]
    ISO error count: 0
    Number of ISO descriptors: 24
    Interval: 1
    Start frame: 0
    Copy of Transfer Flags: 0x00000202
    Number of ISO descriptors: 24
Leftover Capture Data: eeffffff000000003800000000000000eeffffff38000000...

No.     Time                          Source                Destination           Protocol Length Info                                                            Comment
     58 2018-01-20 15:49:26.827976000 7.14                  host                  USB      448    URB_ISOCHRONOUS in                                              

Frame 58: 448 bytes on wire (3584 bits), 448 bytes captured (3584 bits) on interface 0
    Interface id: 0 (usbmon1)
    Encapsulation type: USB packets with Linux header and padding (115)
    Arrival Time: Jan 20, 2018 15:49:26.827976000 GMT
    [Time shift for this packet: 0.000000000 seconds]
    Epoch Time: 1516463366.827976000 seconds
    [Time delta from previous captured frame: 0.003959000 seconds]
    [Time delta from previous displayed frame: 0.003959000 seconds]
    [Time since reference or first frame: 29.409368000 seconds]
    Frame Number: 58
    Frame Length: 448 bytes (3584 bits)
    Capture Length: 448 bytes (3584 bits)
    [Frame is marked: True]
    [Frame is ignored: False]
    [Protocols in frame: usb]
USB URB
    URB id: 0xffff880352250400
    URB type: URB_COMPLETE ('C')
    URB transfer type: URB_ISOCHRONOUS (0x00)
    Endpoint: 0x8e, Direction: IN
        1... .... = Direction: IN (1)
        .000 1110 = Endpoint value: 14
    Device: 7
    URB bus id: 1
    Device setup request: not relevant ('-')
    Data: present (0)
    URB sec: 1516463366
    URB usec: 827976
    URB status: Success (0)
    URB length [bytes]: 0
    Data length [bytes]: 384
    [Request in: 54]
    [Time from request: 0.004124000 seconds]
    [bInterfaceClass: Vendor Specific (0xff)]
    ISO error count: 0
    Number of ISO descriptors: 24
    Interval: 1
    Start frame: 6773
    Copy of Transfer Flags: 0x00000202
    Number of ISO descriptors: 24
Leftover Capture Data: 000000000000000000000000000000000000000038000000...