addr 0: xHCI root hub, NetBSD
 addr 1: product 0210, Renesas
  addr 4: product 0210, Renesas
addr 2: USB 2.0 Hub [MTT], Terminus Technology
 addr 3: USB-Serial Controller, Prolific Technology Inc.
 addr 5: USB-Serial Controller, Prolific Technology Inc.
 addr 6: OverDrive 1000, SoftIron, Inc.
 addr 9: USB2.0-Serial, QinHeng Electronics
 addr 31: MCS7840 USB Serial Adapter, MosChip Semiconductor
 addr 14: MCS7840 USB Serial Adapter, MosChip Semiconductor
 addr 10: USB 2.0 Hub [MTT], Terminus Technology
  addr 11: USB-Serial Controller, Prolific Technology Inc.
  addr 12: MCS7840 USB Serial Adapter, MosChip Semiconductor
  addr 13: MCS7840 USB Serial Adapter, MosChip Semiconductor
  addr 28: MCS7840 USB Serial Adapter, MosChip Semiconductor
addr 15: product 0209, Renesas
 addr 16: product 0209, Renesas
  addr 17: USB-Serial Controller, Prolific Technology Inc.
  addr 18: USB2.0-Serial, QinHeng Electronics
  addr 19: USB2.0-Serial, QinHeng Electronics
 addr 21: USB-Serial Controller, Prolific Technology Inc.
 addr 20: USB <-> Serial, FTDI
addr 1: EHCI root hub, NetBSD
 addr 2: Rate Matching Hub, Intel
  addr 3: Dell Wireless 5630 (EVDO-HSPA) Mobile Broadband Mini-Card, Dell
  addr 4: USB2.0-CRW, Generic
  addr 5: Advanced-N 6235 Combo Bluetooth, Intel
  addr 6: Laptop_Integrated_Webcam_HD, CN01FYV6724872B2M62WA02
addr 1: EHCI root hub, NetBSD
 addr 2: Rate Matching Hub, Intel