3. uhub1: Generic USB Embedded Hub, class 9/0, rev 2.00/0.01, addr 2 uhub1: 1 port with 0 removable, self powered umass0: Generic USB Mass Storage Device, rev 2.00/0.01, addr 3 da1 at umass-sim0 bus 0 target 0 lun 0 da1: <Generic USB Flash Disk 1.00> Removable Direct Access SCSI-0 device da1: 650KB/s transfers da1: Attempt to query device size failed: NOT READY, Medium not present
4. Controller /dev/usb0: addr 1: self powered, config 1, UHCI root hub(0x0000), Intel(0x0000), rev 1.00 port 1 powered port 2 addr 2: self powered, config 1, USB Embedded Hub(0x0021), Generic(0x3538), rev 0.01 port 1 addr 3: self powered, config 1, USB Mass Storage Device(0x0022), Generic(0x3538), rev 0.01
