Apr  5 14:07:22 bean kernel: [  354.459675] usb 4-1.6: new full-speed USB device number 4 using ehci-pci
Apr  5 14:07:22 bean kernel: [  354.560454] usb 4-1.6: New USB device found, idVendor=1395, idProduct=740a
Apr  5 14:07:22 bean kernel: [  354.560458] usb 4-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Apr  5 14:07:22 bean kernel: [  354.560461] usb 4-1.6: Product: Sennheiser SD for Lync
Apr  5 14:07:22 bean kernel: [  354.560463] usb 4-1.6: Manufacturer: Sennheiser Communications
Apr  5 14:07:22 bean kernel: [  354.560465] usb 4-1.6: SerialNumber: 029172C3C8
Apr  5 14:07:22 bean kernel: [  354.570575] input: Sennheiser Communications Sennheiser SD for Lync as /devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.6/4-1.6:1.0/0003:1395:740A.0009/input/input17
Apr  5 14:07:22 bean kernel: [  354.624130] hid-generic 0003:1395:740A.0009: input,hiddev0,hidraw1: USB HID v1.11 Device [Sennheiser Communications Sennheiser SD for Lync] on usb-0000:00:1d.0-1.6/input0
Apr  5 14:07:27 bean kernel: [  359.626102] usb 4-1.6: 2:1: cannot get freq at ep 0x4
Apr  5 14:07:32 bean kernel: [  364.628155] usb 4-1.6: 3:1: cannot get freq at ep 0x83
Apr  5 14:07:32 bean mtp-probe: checking bus 4, device 4: "/sys/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.6"
Apr  5 14:07:32 bean mtp-probe: bus: 4, device: 4 was not an MTP device
Apr  5 14:07:37 bean kernel: [  369.694422] usb 4-1.6: 3:1: cannot get freq at ep 0x83
Apr  5 14:07:42 bean kernel: [  374.696493] usb 4-1.6: 3:1: cannot get freq at ep 0x83
Apr  5 14:07:47 bean kernel: [  379.706576] usb 4-1.6: 2:1: cannot get freq at ep 0x4
Apr  5 14:07:52 bean kernel: [  384.708495] usb 4-1.6: 2:1: cannot get freq at ep 0x4
Apr  5 14:07:57 bean kernel: [  389.710595] usb 4-1.6: 3:1: cannot get freq at ep 0x83
Apr  5 14:08:02 bean kernel: [  394.712786] usb 4-1.6: 3:1: cannot get freq at ep 0x83
Apr  5 14:08:07 bean kernel: [  399.746909] usb 4-1.6: 2:1: cannot get freq at ep 0x4
Apr  5 14:08:12 bean dbus[716]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service'
Apr  5 14:08:12 bean rtkit-daemon[1565]: Supervising 5 threads of 1 processes of 1 users.
Apr  5 14:08:12 bean kernel: [  404.748961] usb 4-1.6: 2:1: cannot get freq at ep 0x4
Apr  5 14:08:12 bean rtkit-daemon[1565]: Successfully made thread 3607 of process 2335 (n/a) owned by '1000' RT at priority 5.
Apr  5 14:08:12 bean rtkit-daemon[1565]: Supervising 6 threads of 1 processes of 1 users.
Apr  5 14:08:17 bean kernel: [  409.758941] usb 4-1.6: 3:1: cannot get freq at ep 0x83
Apr  5 14:08:22 bean kernel: [  414.760974] usb 4-1.6: 3:1: cannot get freq at ep 0x83
Apr  5 14:08:22 bean rtkit-daemon[1565]: Supervising 6 threads of 1 processes of 1 users.
Apr  5 14:08:22 bean rtkit-daemon[1565]: Successfully made thread 3620 of process 2335 (n/a) owned by '1000' RT at priority 5.
Apr  5 14:08:22 bean rtkit-daemon[1565]: Supervising 7 threads of 1 processes of 1 users.
Apr  5 14:08:23 bean pulseaudio[2335]: [alsa-sink-USB Audio] alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Apr  5 14:08:23 bean pulseaudio[2335]: [alsa-sink-USB Audio] alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_usb_audio'. Please report this issue to the ALSA developers.
Apr  5 14:08:23 bean pulseaudio[2335]: [alsa-sink-USB Audio] alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Apr  5 14:09:01 bean CRON[3823]: (root) CMD (  [ -x /usr/lib/php5/sessionclean ] && /usr/lib/php5/sessionclean)
Apr  5 14:09:27 bean dbus[716]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service'