○───── 1 invalid groups
└─────── 1 malformed packet
         └── Malformed packet (invalid PID) of 1 byte: [FF]
  ○─── Getting device descriptor #0 for device 0, reading 18 of 64 requested bytes
  ├───── SETUP transaction on 0.0 with 8 data bytes, ACK: [80, 06, 00, 01, 00, 00, 40, 00]
  │      ├── SETUP packet on 0.0, CRC 02
  │      ├── DATA0 packet with CRC 94DD and 8 data bytes: [80, 06, 00, 01, 00, 00, 40, 00]
  │      └── ACK packet
  ├───── IN transaction on 0.0, NAK
  │      ├── IN packet on 0.0, CRC 02
  │      └── NAK packet (2 times)
  ├───── IN transaction on 0.0 with 8 data bytes, ACK: [12, 01, 00, 02, 00, 00, 00, 08]
  │      ├── IN packet on 0.0, CRC 02
  │      ├── DATA1 packet with CRC E757 and 8 data bytes: [12, 01, 00, 02, 00, 00, 00, 08]
  │      └── ACK packet
  ├───── IN transaction on 0.0, NAK
  │      ├── IN packet on 0.0, CRC 02
  │      └── NAK packet (2 times)
  ├───── IN transaction on 0.0 with 8 data bytes, ACK: [CF, 1B, 05, 00, 14, 00, 00, 02]
  │      ├── IN packet on 0.0, CRC 02
  │      ├── DATA0 packet with CRC 81DC and 8 data bytes: [CF, 1B, 05, 00, 14, 00, 00, 02]
  │      └── ACK packet
  ├───── IN transaction on 0.0, NAK
  │      ├── IN packet on 0.0, CRC 02
  │      └── NAK packet
  ├───── IN transaction on 0.0 with 2 data bytes, ACK: [00, 01]
  │      ├── IN packet on 0.0, CRC 02
  │      ├── DATA1 packet with CRC 8F3F and 2 data bytes: [00, 01]
  │      └── ACK packet
  └───── OUT transaction on 0.0 with no data, ACK
         ├── OUT packet on 0.0, CRC 02
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
  ○─── Setting address to 4 for device 0
  ├───── SETUP transaction on 0.0 with 8 data bytes, ACK: [00, 05, 04, 00, 00, 00, 00, 00]
  │      ├── SETUP packet on 0.0, CRC 02
  │      ├── DATA0 packet with CRC 70EB and 8 data bytes: [00, 05, 04, 00, 00, 00, 00, 00]
  │      └── ACK packet
  ├───── IN transaction on 0.0, NAK
  │      ├── IN packet on 0.0, CRC 02
  │      └── NAK packet
  └───── IN transaction on 0.0 with no data, ACK
         ├── IN packet on 0.0, CRC 02
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
   ○── Getting device descriptor #0 for device 4, reading 18 bytes
   ├──── SETUP transaction on 4.0 with 8 data bytes, ACK: [80, 06, 00, 01, 00, 00, 12, 00]
   │     ├── SETUP packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC F4E0 and 8 data bytes: [80, 06, 00, 01, 00, 00, 12, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [12, 01, 00, 02, 00, 00, 00, 08]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC E757 and 8 data bytes: [12, 01, 00, 02, 00, 00, 00, 08]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [CF, 1B, 05, 00, 14, 00, 00, 02]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 81DC and 8 data bytes: [CF, 1B, 05, 00, 14, 00, 00, 02]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 2 data bytes, ACK: [00, 01]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 8F3F and 2 data bytes: [00, 01]
   │     └── ACK packet
   └──── OUT transaction on 4.0 with no data, ACK
         ├── OUT packet on 4.0, CRC 05
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
   ○── Getting configuration descriptor #0 for device 4, reading 9 bytes
   ├──── SETUP transaction on 4.0 with 8 data bytes, ACK: [80, 06, 00, 02, 00, 00, 09, 00]
   │     ├── SETUP packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 04AE and 8 data bytes: [80, 06, 00, 02, 00, 00, 09, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [09, 02, 22, 00, 01, 01, 00, A0]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 980A and 8 data bytes: [09, 02, 22, 00, 01, 01, 00, A0]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 1 data bytes, ACK: '1'
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 6B81 and 1 data bytes: '1'
   │     └── ACK packet
   └──── OUT transaction on 4.0 with no data, ACK
         ├── OUT packet on 4.0, CRC 05
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
   ○── Getting configuration descriptor #0 for device 4, reading 34 bytes
   ├──── SETUP transaction on 4.0 with 8 data bytes, ACK: [80, 06, 00, 02, 00, 00, 22, 00]
   │     ├── SETUP packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC F4B0 and 8 data bytes: [80, 06, 00, 02, 00, 00, 22, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [09, 02, 22, 00, 01, 01, 00, A0]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 980A and 8 data bytes: [09, 02, 22, 00, 01, 01, 00, A0]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [31, 09, 04, 00, 00, 01, 03, 01]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 5875 and 8 data bytes: [31, 09, 04, 00, 00, 01, 03, 01]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [02, 00, 09, 21, 10, 01, 00, 01]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 7316 and 8 data bytes: [02, 00, 09, 21, 10, 01, 00, 01]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [22, 4B, 00, 07, 05, 81, 03, 07]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 2763 and 8 data bytes: [22, 4B, 00, 07, 05, 81, 03, 07]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 2 data bytes, ACK: [00, 0A]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 487E and 2 data bytes: [00, 0A]
   │     └── ACK packet
   └──── OUT transaction on 4.0 with no data, ACK
         ├── OUT packet on 4.0, CRC 05
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
   ○── Getting string descriptor #0 for device 4, reading 4 of 255 requested bytes
   ├──── SETUP transaction on 4.0 with 8 data bytes, ACK: [80, 06, 00, 03, 00, 00, FF, 00]
   │     ├── SETUP packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 64D4 and 8 data bytes: [80, 06, 00, 03, 00, 00, FF, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 4 data bytes, ACK: [04, 03, 09, 04]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 7809 and 4 data bytes: [04, 03, 09, 04]
   │     └── ACK packet
   └──── OUT transaction on 4.0 with no data, ACK
         ├── OUT packet on 4.0, CRC 05
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
   ○── Getting string descriptor #2, language 0x0409 (English/US) for device 4, reading 36 of 255 requested bytes: 'USB Optical Mouse'
   ├──── SETUP transaction on 4.0 with 8 data bytes, ACK: [80, 06, 02, 03, 09, 04, FF, 00]
   │     ├── SETUP packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC DB97 and 8 data bytes: [80, 06, 02, 03, 09, 04, FF, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [24, 03, 55, 00, 53, 00, 42, 00]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC FEA2 and 8 data bytes: [24, 03, 55, 00, 53, 00, 42, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [20, 00, 4F, 00, 70, 00, 74, 00]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 138E and 8 data bytes: [20, 00, 4F, 00, 70, 00, 74, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [69, 00, 63, 00, 61, 00, 6C, 00]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC D942 and 8 data bytes: [69, 00, 63, 00, 61, 00, 6C, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [20, 00, 4D, 00, 6F, 00, 75, 00]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC B589 and 8 data bytes: [20, 00, 4D, 00, 6F, 00, 75, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 4 data bytes, ACK: [73, 00, 65, 00]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 0FCE and 4 data bytes: [73, 00, 65, 00]
   │     └── ACK packet
   └──── OUT transaction on 4.0 with no data, ACK
         ├── OUT packet on 4.0, CRC 05
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
   ○── Setting configuration 1 for device 4
   ├──── SETUP transaction on 4.0 with 8 data bytes, ACK: [00, 09, 01, 00, 00, 00, 00, 00]
   │     ├── SETUP packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 2527 and 8 data bytes: [00, 09, 01, 00, 00, 00, 00, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (38 times)
   └──── IN transaction on 4.0 with no data, ACK
         ├── IN packet on 4.0, CRC 05
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
   ○── Class request #10, index 0, value 0 for interface 4.0
   ├──── SETUP transaction on 4.0 with 8 data bytes, ACK: [21, 0A, 00, 00, 00, 00, 00, 00]
   │     ├── SETUP packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 20D6 and 8 data bytes: [21, 0A, 00, 00, 00, 00, 00, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   └──── IN transaction on 4.0 with no data, ACK
         ├── IN packet on 4.0, CRC 05
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
   ○── Getting HID report descriptor #0 for interface 4.0, reading 75 bytes
   ├──── SETUP transaction on 4.0 with 8 data bytes, ACK: [81, 06, 00, 22, 00, 00, 4B, 00]
   │     ├── SETUP packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC AFDE and 8 data bytes: [81, 06, 00, 22, 00, 00, 4B, 00]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [05, 01, 09, 02, A1, 01, 85, 01]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 3EC7 and 8 data bytes: [05, 01, 09, 02, A1, 01, 85, 01]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [09, 01, A1, 00, 05, 09, 19, 01]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC B16C and 8 data bytes: [09, 01, A1, 00, 05, 09, 19, 01]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [29, 05, 15, 00, 25, 01, 95, 05]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC DCDF and 8 data bytes: [29, 05, 15, 00, 25, 01, 95, 05]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [75, 01, 81, 02, 95, 01, 75, 03]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 6315 and 8 data bytes: [75, 01, 81, 02, 95, 01, 75, 03]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [81, 03, 05, 01, 16, 01, F8, 26]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 5FEF and 8 data bytes: [81, 03, 05, 01, 16, 01, F8, 26]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet (2 times)
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [FF, 07, 75, 0C, 95, 02, 09, 30]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC 1C17 and 8 data bytes: [FF, 07, 75, 0C, 95, 02, 09, 30]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [09, 31, 81, 06, 15, 81, 25, 7F]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 18C6 and 8 data bytes: [09, 31, 81, 06, 15, 81, 25, 7F]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [75, 08, 95, 01, 09, 38, 81, 06]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC E9B3 and 8 data bytes: [75, 08, 95, 01, 09, 38, 81, 06]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 8 data bytes, ACK: [C0, 05, 0C, 0A, 38, 02, 95, 01]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA1 packet with CRC 597C and 8 data bytes: [C0, 05, 0C, 0A, 38, 02, 95, 01]
   │     └── ACK packet
   ├──── IN transaction on 4.0, NAK
   │     ├── IN packet on 4.0, CRC 05
   │     └── NAK packet
   ├──── IN transaction on 4.0 with 3 data bytes, ACK: [81, 06, C0]
   │     ├── IN packet on 4.0, CRC 05
   │     ├── DATA0 packet with CRC E7DD and 3 data bytes: [81, 06, C0]
   │     └── ACK packet
   └──── OUT transaction on 4.0 with no data, ACK
         ├── OUT packet on 4.0, CRC 05
         ├── DATA1 packet with CRC 0000 and no data
         └── ACK packet
    ○─ Polling 423 times for interrupt transfer on endpoint 4.1 IN
    ├─── IN transaction on 4.1, NAK
    │    ├── IN packet on 4.1, CRC 13
    │    └── NAK packet (422 times)
    └─── IN transaction on 4.1, NAK
         ├── IN packet on 4.1, CRC 13
         └── NAK packet
    ○─ Interrupt transfer of 154 bytes on endpoint 4.1 IN: [01, 00, FF, 0F, 00, 00, 00, 01, 00, FE, 0F, 00, 00, 00, 01, 00, FC, FF, FF, 00, 00, 01, 00, FA, FF, FF, 00, 00, 01, 00, F7, EF, FF, 00, 00, 01, 00, F3, DF, FF, 00, 00, 01, 00, ED, DF, FF, 00, 00, 01, 00, EB, DF, FF, 00, 00, 01, 00, EE, CF, FF, 00, 00, 01, 00, EF, CF, FF, 00, 00, 01, 00, F1, CF, FF, 00, 00, 01, 00, F4, CF, FF, 00, 00, 01, 00, F7, BF, FF, 00, 00, 01, 00, F8, AF, FF, 00, 00, 01, 00]...
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FF, 0F, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3FE3 and 7 data bytes: [01, 00, FF, 0F, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FE, 0F, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FFDE and 7 data bytes: [01, 00, FE, 0F, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FC, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0FA4 and 7 data bytes: [01, 00, FC, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FA, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0F2C and 7 data bytes: [01, 00, FA, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F7, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0E05 and 7 data bytes: [01, 00, F7, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F3, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CEFB and 7 data bytes: [01, 00, F3, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, ED, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CC53 and 7 data bytes: [01, 00, ED, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, EB, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CCDB and 7 data bytes: [01, 00, EB, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, EE, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0C13 and 7 data bytes: [01, 00, EE, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, EF, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CC2E and 7 data bytes: [01, 00, EF, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F1, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CE86 and 7 data bytes: [01, 00, F1, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F4, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CE4A and 7 data bytes: [01, 00, F4, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F7, BF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0E14 and 7 data bytes: [01, 00, F7, BF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F8, AF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CF44 and 7 data bytes: [01, 00, F8, AF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FA, AF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0F3D and 7 data bytes: [01, 00, FA, AF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FA, BF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CF39 and 7 data bytes: [01, 00, FA, BF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FB, BF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0F04 and 7 data bytes: [01, 00, FB, BF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FB, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CF1E and 7 data bytes: [01, 00, FB, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FD, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CF96 and 7 data bytes: [01, 00, FD, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FD, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CF96 and 7 data bytes: [01, 00, FD, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FE, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0FD6 and 7 data bytes: [01, 00, FE, DF, FF, 00, 00]
    │    └── ACK packet
    └─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FF, EF, FF, 00, 00]
         ├── IN packet on 4.1, CRC 13
         ├── DATA1 packet with CRC CFE4 and 7 data bytes: [01, 00, FF, EF, FF, 00, 00]
         └── ACK packet
    ○─ Polling 2 times for interrupt transfer on endpoint 4.1 IN
    ├─── IN transaction on 4.1, NAK
    │    ├── IN packet on 4.1, CRC 13
    │    └── NAK packet
    └─── IN transaction on 4.1, NAK
         ├── IN packet on 4.1, CRC 13
         └── NAK packet
    ○─ Interrupt transfer of 798 bytes on endpoint 4.1 IN: [01, 00, 00, 00, 00, 00, 00, 01, 00, 03, 10, 00, 00, 00, 01, 00, 08, 20, 00, 00, 00, 01, 00, 0C, 50, 00, 00, 00, 01, 00, 0F, 60, 00, 00, 00, 01, 00, 12, 60, 00, 00, 00, 01, 00, 14, 70, 00, 00, 00, 01, 00, 19, 90, 00, 00, 00, 01, 00, 18, 80, 00, 00, 00, 01, 00, 18, 90, 00, 00, 00, 01, 00, 18, 80, 00, 00, 00, 01, 00, 17, 80, 00, 00, 00, 01, 00, 15, 70, 00, 00, 00, 01, 00, 13, 70, 00, 00, 00, 01, 00]...
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 00, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3FF4 and 7 data bytes: [01, 00, 00, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 03, 10, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FFB4 and 7 data bytes: [01, 00, 03, 10, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 08, 20, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3E1E and 7 data bytes: [01, 00, 08, 20, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0C, 50, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3EF5 and 7 data bytes: [01, 00, 0C, 50, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0F, 60, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3EBE and 7 data bytes: [01, 00, 0F, 60, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 12, 60, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3C52 and 7 data bytes: [01, 00, 12, 60, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 14, 70, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC FCDE and 7 data bytes: [01, 00, 14, 70, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 19, 90, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FDC4 and 7 data bytes: [01, 00, 19, 90, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 18, 80, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC FDFD and 7 data bytes: [01, 00, 18, 80, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 18, 90, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3DF9 and 7 data bytes: [01, 00, 18, 90, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 18, 80, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC FDFD and 7 data bytes: [01, 00, 18, 80, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 17, 80, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FCA9 and 7 data bytes: [01, 00, 17, 80, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 15, 70, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3CE3 and 7 data bytes: [01, 00, 15, 70, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 13, 70, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3C6B and 7 data bytes: [01, 00, 13, 70, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 13, 70, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3C6B and 7 data bytes: [01, 00, 13, 70, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 10, 70, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3C2F and 7 data bytes: [01, 00, 10, 70, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 09, 60, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3E36 and 7 data bytes: [01, 00, 09, 60, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 04, 30, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FF0A and 7 data bytes: [01, 00, 04, 30, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 01, 20, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3FC2 and 7 data bytes: [01, 00, 01, 20, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FD, 1F, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3F9E and 7 data bytes: [01, 00, FD, 1F, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F8, 1F, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3F52 and 7 data bytes: [01, 00, F8, 1F, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F4, 0F, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FE46 and 7 data bytes: [01, 00, F4, 0F, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, EC, 0F, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC FC66 and 7 data bytes: [01, 00, EC, 0F, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, E9, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CCA9 and 7 data bytes: [01, 00, E9, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, E7, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CDC4 and 7 data bytes: [01, 00, E7, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, E4, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0D84 and 7 data bytes: [01, 00, E4, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, E4, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0D84 and 7 data bytes: [01, 00, E4, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, E4, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0D84 and 7 data bytes: [01, 00, E4, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, E6, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0DF9 and 7 data bytes: [01, 00, E6, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, E3, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CD31 and 7 data bytes: [01, 00, E3, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, E9, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CCA9 and 7 data bytes: [01, 00, E9, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F3, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CEF4 and 7 data bytes: [01, 00, F3, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F9, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0F68 and 7 data bytes: [01, 00, F9, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FD, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CF99 and 7 data bytes: [01, 00, FD, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 00, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0FF7 and 7 data bytes: [01, 00, 00, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 03, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0FB3 and 7 data bytes: [01, 00, 03, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 08, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CE16 and 7 data bytes: [01, 00, 08, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0C, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0EE7 and 7 data bytes: [01, 00, 0C, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 11, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3C08 and 7 data bytes: [01, 00, 11, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 15, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FCF9 and 7 data bytes: [01, 00, 15, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 18, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0DD7 and 7 data bytes: [01, 00, 18, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 16, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FCBD and 7 data bytes: [01, 00, 16, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 13, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CC72 and 7 data bytes: [01, 00, 13, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 10, E0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0C32 and 7 data bytes: [01, 00, 10, E0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0C, E0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CEE3 and 7 data bytes: [01, 00, 0C, E0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 08, E0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0E12 and 7 data bytes: [01, 00, 08, E0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 06, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0F7F and 7 data bytes: [01, 00, 06, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 03, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0FB3 and 7 data bytes: [01, 00, 03, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FE, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0FD9 and 7 data bytes: [01, 00, FE, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FC, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CFA0 and 7 data bytes: [01, 00, FC, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F8, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0F5E and 7 data bytes: [01, 00, F8, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F6, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CE37 and 7 data bytes: [01, 00, F6, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F2, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0EC6 and 7 data bytes: [01, 00, F2, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F2, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CEC2 and 7 data bytes: [01, 00, F2, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F1, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CE86 and 7 data bytes: [01, 00, F1, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F2, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CEC2 and 7 data bytes: [01, 00, F2, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F2, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CEC2 and 7 data bytes: [01, 00, F2, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F5, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0E77 and 7 data bytes: [01, 00, F5, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F7, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0E0A and 7 data bytes: [01, 00, F7, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FA, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CF27 and 7 data bytes: [01, 00, FA, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FD, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0F9D and 7 data bytes: [01, 00, FD, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FF, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0FE0 and 7 data bytes: [01, 00, FF, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 01, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CFCA and 7 data bytes: [01, 00, 01, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 05, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3F38 and 7 data bytes: [01, 00, 05, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0A, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0E6F and 7 data bytes: [01, 00, 0A, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0F, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0EA3 and 7 data bytes: [01, 00, 0F, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 14, E0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CCC3 and 7 data bytes: [01, 00, 14, E0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 19, C0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CDE5 and 7 data bytes: [01, 00, 19, C0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 18, C0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0DD8 and 7 data bytes: [01, 00, 18, C0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 17, C0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0C8C and 7 data bytes: [01, 00, 17, C0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 14, C0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0CC8 and 7 data bytes: [01, 00, 14, C0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 12, D0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CC44 and 7 data bytes: [01, 00, 12, D0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0E, D0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0E95 and 7 data bytes: [01, 00, 0E, D0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0C, D0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CEEC and 7 data bytes: [01, 00, 0C, D0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0B, D0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0E59 and 7 data bytes: [01, 00, 0B, D0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 05, E0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CF3F and 7 data bytes: [01, 00, 05, E0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 01, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CFCA and 7 data bytes: [01, 00, 01, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FE, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CFDD and 7 data bytes: [01, 00, FE, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FA, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CF28 and 7 data bytes: [01, 00, FA, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F6, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CE37 and 7 data bytes: [01, 00, F6, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F4, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0E4E and 7 data bytes: [01, 00, F4, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, EE, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CC17 and 7 data bytes: [01, 00, EE, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, EE, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CC17 and 7 data bytes: [01, 00, EE, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, ED, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CC5C and 7 data bytes: [01, 00, ED, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, ED, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CC53 and 7 data bytes: [01, 00, ED, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, ED, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CC5C and 7 data bytes: [01, 00, ED, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, EF, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0C25 and 7 data bytes: [01, 00, EF, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, EE, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CC18 and 7 data bytes: [01, 00, EE, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F0, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CEB0 and 7 data bytes: [01, 00, F0, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F6, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CE38 and 7 data bytes: [01, 00, F6, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FA, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0F2C and 7 data bytes: [01, 00, FA, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FE, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CFDD and 7 data bytes: [01, 00, FE, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 00, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3FF4 and 7 data bytes: [01, 00, 00, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 04, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CF06 and 7 data bytes: [01, 00, 04, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 07, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC FF41 and 7 data bytes: [01, 00, 07, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0B, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FE51 and 7 data bytes: [01, 00, 0B, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0E, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CE9E and 7 data bytes: [01, 00, 0E, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 11, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0C0B and 7 data bytes: [01, 00, 11, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0F, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0EA3 and 7 data bytes: [01, 00, 0F, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0D, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CEDA and 7 data bytes: [01, 00, 0D, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0B, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CE52 and 7 data bytes: [01, 00, 0B, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 08, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FE15 and 7 data bytes: [01, 00, 08, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 06, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3F7C and 7 data bytes: [01, 00, 06, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 03, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3FB0 and 7 data bytes: [01, 00, 03, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 01, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC FFC9 and 7 data bytes: [01, 00, 01, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FE, 0F, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FFDE and 7 data bytes: [01, 00, FE, 0F, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FB, 0F, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC FF12 and 7 data bytes: [01, 00, FB, 0F, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F9, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0F68 and 7 data bytes: [01, 00, F9, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F6, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0E3C and 7 data bytes: [01, 00, F6, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F5, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0E78 and 7 data bytes: [01, 00, F5, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F4, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CE45 and 7 data bytes: [01, 00, F4, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F5, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CE7C and 7 data bytes: [01, 00, F5, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F9, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0F68 and 7 data bytes: [01, 00, F9, FF, FF, 00, 00]
    │    └── ACK packet
    └─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FB, FF, FF, 00, 00]
         ├── IN packet on 4.1, CRC 13
         ├── DATA1 packet with CRC CF11 and 7 data bytes: [01, 00, FB, FF, FF, 00, 00]
         └── ACK packet
    ○─ Polling 1 times for interrupt transfer on endpoint 4.1 IN
    └─── IN transaction on 4.1, NAK
         ├── IN packet on 4.1, CRC 13
         └── NAK packet
    ○─ Interrupt transfer of 154 bytes on endpoint 4.1 IN: [01, 00, FE, FF, FF, 00, 00, 01, 00, 00, 00, 00, 00, 00, 01, 00, 05, 10, 00, 00, 00, 01, 00, 09, 20, 00, 00, 00, 01, 00, 0D, 20, 00, 00, 00, 01, 00, 10, 10, 00, 00, 00, 01, 00, 10, 00, 00, 00, 00, 01, 00, 10, F0, FF, 00, 00, 01, 00, 0E, E0, FF, 00, 00, 01, 00, 0D, E0, FF, 00, 00, 01, 00, 0C, D0, FF, 00, 00, 01, 00, 07, E0, FF, 00, 00, 01, 00, 01, D0, FF, 00, 00, 01, 00, FE, DF, FF, 00, 00, 01, 00]...
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FE, FF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CFDD and 7 data bytes: [01, 00, FE, FF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 00, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3FF4 and 7 data bytes: [01, 00, 00, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 05, 10, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC FF3C and 7 data bytes: [01, 00, 05, 10, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 09, 20, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC FE23 and 7 data bytes: [01, 00, 09, 20, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0D, 20, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 3ED2 and 7 data bytes: [01, 00, 0D, 20, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 10, 10, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 3C31 and 7 data bytes: [01, 00, 10, 10, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 10, 00, 00, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC FC35 and 7 data bytes: [01, 00, 10, 00, 00, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 10, F0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CC36 and 7 data bytes: [01, 00, 10, F0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0E, E0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0E9A and 7 data bytes: [01, 00, 0E, E0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0D, E0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0EDE and 7 data bytes: [01, 00, 0D, E0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 0C, D0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CEEC and 7 data bytes: [01, 00, 0C, D0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 07, E0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0F46 and 7 data bytes: [01, 00, 07, E0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, 01, D0, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC 0FC1 and 7 data bytes: [01, 00, 01, D0, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FE, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0FD6 and 7 data bytes: [01, 00, FE, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FB, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CF1E and 7 data bytes: [01, 00, FB, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F9, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0F67 and 7 data bytes: [01, 00, F9, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F6, BF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CE29 and 7 data bytes: [01, 00, F6, BF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F5, CF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC 0E77 and 7 data bytes: [01, 00, F5, CF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F5, DF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CE73 and 7 data bytes: [01, 00, F5, DF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F5, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA1 packet with CRC CE7C and 7 data bytes: [01, 00, F5, EF, FF, 00, 00]
    │    └── ACK packet
    ├─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, F9, EF, FF, 00, 00]
    │    ├── IN packet on 4.1, CRC 13
    │    ├── DATA0 packet with CRC CF6C and 7 data bytes: [01, 00, F9, EF, FF, 00, 00]
    │    └── ACK packet
    └─── IN transaction on 4.1 with 7 data bytes, ACK: [01, 00, FB, FF, FF, 00, 00]
         ├── IN packet on 4.1, CRC 13
         ├── DATA1 packet with CRC CF11 and 7 data bytes: [01, 00, FB, FF, FF, 00, 00]
         └── ACK packet
    ○─ Polling 271 times for interrupt transfer on endpoint 4.1 IN
    ├─── IN transaction on 4.1, NAK
    │    ├── IN packet on 4.1, CRC 13
    │    └── NAK packet (270 times)
    └─── IN transaction on 4.1, NAK
         ├── IN packet on 4.1, CRC 13
         └── NAK packet