[ 2480.260377] usb 1-2: USB disconnect, device number 11
[ 2480.504044] usb 1-2: new high-speed USB device number 12 using ehci_hcd
[ 2481.040026] usb 1-2: device not accepting address 12, error -71
[ 2481.096065] hub 1-0:1.0: unable to enumerate USB device on port 2
[ 2495.784073] usb 1-2: new high-speed USB device number 14 using ehci_hcd
[ 2495.932056] scsi14 : usb-storage 1-2:1.0
[ 2495.980314] usb 1-2: USB disconnect, device number 14
[ 2496.220079] usb 1-2: new high-speed USB device number 15 using ehci_hcd
[ 2496.756061] usb 1-2: device not accepting address 15, error -71
[ 2496.868056] usb 1-2: new high-speed USB device number 16 using ehci_hcd
[ 2497.010088] scsi15 : usb-storage 1-2:1.0
[ 2498.016824] scsi 15:0:0:0: Direct-Access     Kingston DataTraveler C10 1.00 PQ: 0 ANSI: 2
[ 2498.023295] sd 15:0:0:0: [sdf] 62483464 512-byte logical blocks: (31.9 GB/29.7 GiB)
[ 2498.025034] sd 15:0:0:0: [sdf] Write Protect is off
[ 2498.025051] sd 15:0:0:0: [sdf] Mode Sense: 16 41 09 51
[ 2498.025599] sd 15:0:0:0: Attached scsi generic sg2 type 0
[ 2498.025634] sd 15:0:0:0: [sdf] Incomplete mode parameter data
[ 2498.025645] sd 15:0:0:0: [sdf] Assuming drive cache: write through
[ 2498.032365] sd 15:0:0:0: [sdf] Incomplete mode parameter data
[ 2498.032381] sd 15:0:0:0: [sdf] Assuming drive cache: write through
[ 2498.033334]  sdf:
[ 2498.036281] sd 15:0:0:0: [sdf] Incomplete mode parameter data
[ 2498.036296] sd 15:0:0:0: [sdf] Assuming drive cache: write through
[ 2498.036307] sd 15:0:0:0: [sdf] Attached SCSI removable disk