[    5.742372] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   16.672012] eth0: no IPv6 routers present
[ 2548.488076] usb 3-2: new full-speed USB device number 2 using ohci_hcd
[ 2548.674261] input: Logitech Logitech USB Headset as /devices/pci0000:00/0000:00:12.0/usb3/3-2/3-2:1.3/input/input14
[ 2548.674516] generic-usb 0003:046D:0A0C.0005: input,hidraw3: USB HID v1.00 Device [Logitech Logitech USB Headset] on usb-0000:00:12.0-2/input3
[ 2548.787679] usbcore: registered new interface driver snd-usb-audio
[11663.376714] usb 2-5.1: new high-speed USB device number 7 using ehci_hcd
[11663.485368] Initializing USB Mass Storage driver...
[11663.486870] scsi6 : usb-storage 2-5.1:1.0
[11663.487079] usbcore: registered new interface driver usb-storage
[11663.487085] USB Mass Storage support registered.
[11664.484894] scsi 6:0:0:0: Direct-Access     SanDisk  Cruzer Contour   8.42 PQ: 0 ANSI: 0 CCS
[11664.485375] scsi 6:0:0:1: CD-ROM            SanDisk  Cruzer Contour   8.42 PQ: 0 ANSI: 0
[11664.487299] sd 6:0:0:0: Attached scsi generic sg2 type 0
[11664.487919] sd 6:0:0:0: [sdb] 15695871 512-byte logical blocks: (8.03 GB/7.48 GiB)
[11664.490873] sd 6:0:0:0: [sdb] Write Protect is off
[11664.490884] sd 6:0:0:0: [sdb] Mode Sense: 45 00 00 08
[11664.491362] sd 6:0:0:0: [sdb] No Caching mode page present
[11664.491370] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[11664.494745] sd 6:0:0:0: [sdb] No Caching mode page present
[11664.494754] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[11664.495251] sr1: scsi3-mmc drive: 48x/48x tray
[11664.495589] sr 6:0:0:1: Attached scsi CD-ROM sr1
[11664.495833] sr 6:0:0:1: Attached scsi generic sg3 type 5
[11664.497656]  sdb: sdb1
[11664.501253] sd 6:0:0:0: [sdb] No Caching mode page present
[11664.501262] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[11664.501270] sd 6:0:0:0: [sdb] Attached SCSI removable disk
[11664.652456] sr 6:0:0:1: GET_EVENT and TUR disagree continuously, suppress GET_EVENT events
[11664.684215] ISO 9660 Extensions: Microsoft Joliet Level 3
[11664.688976] ISOFS: changing to secondary root
[11914.754607] sdb: detected capacity change from 8036285952 to 0
[11920.698673] usb 2-5.1: USB disconnect, device number 7
[12682.840189] usb 3-2: USB disconnect, device number 2
[14481.249062] usb 2-5.2: new high-speed USB device number 8 using ehci_hcd
[14481.341562] scsi7 : usb-storage 2-5.2:1.0
[14482.340875] scsi 7:0:0:0: Direct-Access     SanDisk  Cruzer Contour   8.42 PQ: 0 ANSI: 0 CCS
[14482.341353] scsi 7:0:0:1: CD-ROM            SanDisk  Cruzer Contour   8.42 PQ: 0 ANSI: 0
[14482.342550] sd 7:0:0:0: Attached scsi generic sg2 type 0
[14482.347197] sd 7:0:0:0: [sdb] 15695871 512-byte logical blocks: (8.03 GB/7.48 GiB)
[14482.348220] sd 7:0:0:0: [sdb] Write Protect is off
[14482.348229] sd 7:0:0:0: [sdb] Mode Sense: 45 00 00 08
[14482.348740] sr1: scsi3-mmc drive: 48x/48x tray
[14482.349059] sr 7:0:0:1: Attached scsi CD-ROM sr1
[14482.349235] sr 7:0:0:1: Attached scsi generic sg3 type 5
[14482.349245] sd 7:0:0:0: [sdb] No Caching mode page present
[14482.349253] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[14482.351973] sd 7:0:0:0: [sdb] No Caching mode page present
[14482.351982] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[14482.353958]  sdb: sdb1
[14482.356453] sd 7:0:0:0: [sdb] No Caching mode page present
[14482.356456] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[14482.356459] sd 7:0:0:0: [sdb] Attached SCSI removable disk
[14482.522711] ISO 9660 Extensions: Microsoft Joliet Level 3
[14482.525223] ISOFS: changing to secondary root
[14482.559812] sr 7:0:0:1: GET_EVENT and TUR disagree continuously, suppress GET_EVENT events
[14482.563182] VFS: busy inodes on changed media or resized disk sr1
[20175.921492] usb 2-5.2: USB disconnect, device number 8
[20179.960520] usb 2-5.2: new full-speed USB device number 9 using ehci_hcd
[20180.067247] input: Logitech Logitech USB Headset as /devices/pci0000:00/0000:00:13.2/usb2/2-5/2-5.2/2-5.2:1.3/input/input15
[20180.067473] generic-usb 0003:046D:0A0C.0006: input,hidraw3: USB HID v1.00 Device [Logitech Logitech USB Headset] on usb-0000:00:13.2-5.2/input3