Apr 21 13:39:16 Airlynx-Ubuntu kernel: [  373.519190] usb 2-2.3: new full-speed USB device number 8 using ehci_hcd
Apr 21 13:39:17 Airlynx-Ubuntu mtp-probe: checking bus 2, device 8: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-2/2-2.3"
Apr 21 13:39:17 Airlynx-Ubuntu kernel: [  373.613237] 8:1:1: cannot get freq at ep 0x4
Apr 21 13:39:17 Airlynx-Ubuntu kernel: [  373.618229] 8:2:1: cannot get freq at ep 0x84
Apr 21 13:39:17 Airlynx-Ubuntu kernel: [  373.687636] input: Plantronics Plantronics C610 as /devices/pci0000:00/0000:00:1d.7/usb2/2-2/2-2.3/2-2.3:1.3/input/input11
Apr 21 13:39:17 Airlynx-Ubuntu kernel: [  373.688234] generic-usb 0003:047F:AA02.0002: input,hiddev0,hidraw1: USB HID v1.11 Device [Plantronics Plantronics C610] on usb-0000:00:1d.7-2.3/input3
Apr 21 13:39:17 Airlynx-Ubuntu mtp-probe: bus: 2, device: 8 was not an MTP device
Apr 21 13:39:17 Airlynx-Ubuntu kernel: [  373.887624] 8:1:1: cannot get freq at ep 0x4
Apr 21 13:39:17 Airlynx-Ubuntu kernel: [  374.029075] 8:2:1: cannot get freq at ep 0x84
Apr 21 13:39:17 Airlynx-Ubuntu acpid: client 1106[0:0] has disconnected
Apr 21 13:39:17 Airlynx-Ubuntu acpid: client connected from 2066[0:0]
Apr 21 13:39:17 Airlynx-Ubuntu acpid: 1 client rule loaded
Apr 21 13:39:17 Airlynx-Ubuntu kernel: [  374.235544] 8:2:1: cannot get freq at ep 0x84
Apr 21 13:39:18 Airlynx-Ubuntu kernel: [  374.862292] init: lightdm main process (1070) terminated with status 1
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.289998] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.297992] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.306018] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.314019] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.322022] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.330032] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.338037] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.346034] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.354036] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.362044] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.370050] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.378052] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.386056] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.394053] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.402066] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.410068] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.418075] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.426077] generic-usb 0003:047F:AA02.0002: can't reset device, 0000:00:1d.7-2.3/input3, status -71
Apr 21 13:39:19 Airlynx-Ubuntu kernel: [  376.427380] usb 2-2.3: USB disconnect, device number 8