jesse@jesse-ubuntu:~$ tail -f /var/log/kern.log
Mar 25 22:48:50 jesse-ubuntu kernel: [34186.090700] cdc_acm 3-3:1.0: ttyACM1: USB ACM device
Mar 25 22:52:01 jesse-ubuntu kernel: [34376.711260] usb 3-3: USB disconnect, address 17
Mar 25 22:52:39 jesse-ubuntu kernel: [34414.985677] usb 3-3: new full speed USB device using xhci_hcd and address 18
Mar 25 22:52:39 jesse-ubuntu kernel: [34415.033214] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
Mar 25 22:52:39 jesse-ubuntu kernel: [34415.040206] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
Mar 25 22:52:39 jesse-ubuntu kernel: [34415.050201] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
Mar 25 22:52:39 jesse-ubuntu kernel: [34415.059195] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
Mar 25 22:52:39 jesse-ubuntu kernel: [34415.061308] usb 3-3: ep 0x82 - rounding interval to 1024 microframes, ep desc says 2040 microframes
Mar 25 22:52:39 jesse-ubuntu kernel: [34415.063248] cdc_acm 3-3:1.0: ttyACM1: USB ACM device
Mar 25 23:10:30 jesse-ubuntu kernel: [35484.610408] usb 3-3: USB disconnect, address 18
^Z
[2]+  Stopped                 tail -f /var/log/kern.log
jesse@jesse-ubuntu:~$