Jun 10 10:41:33 AS-WEST-1 kernel: Bluetooth: Core ver 2.22
Jun 10 10:41:33 AS-WEST-1 kernel: Bluetooth: HCI device and connection manager initialized
Jun 10 10:41:33 AS-WEST-1 kernel: Bluetooth: HCI socket layer initialized
Jun 10 10:41:33 AS-WEST-1 kernel: Bluetooth: L2CAP socket layer initialized
Jun 10 10:41:33 AS-WEST-1 kernel: Bluetooth: SCO socket layer initialized
Jun 10 10:41:33 AS-WEST-1 kernel: Bluetooth: hci0: Firmware revision 0.1 build 50 week 12 2019
Jun 10 10:41:34 AS-WEST-1 kernel: thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
Jun 10 10:41:37 AS-WEST-1 systemd[1]: Starting Bluetooth service...
Jun 10 10:41:37 AS-WEST-1 bluetoothd[1114]: Bluetooth daemon 5.53
Jun 10 10:41:37 AS-WEST-1 bluetoothd[1114]: Starting SDP server
Jun 10 10:41:37 AS-WEST-1 systemd[1]: Started Bluetooth service.
Jun 10 10:41:37 AS-WEST-1 kernel: Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Jun 10 10:41:37 AS-WEST-1 kernel: Bluetooth: BNEP filters: protocol multicast
Jun 10 10:41:37 AS-WEST-1 kernel: Bluetooth: BNEP socket layer initialized
Jun 10 10:41:37 AS-WEST-1 bluetoothd[1114]: Bluetooth management interface 1.14 initialized
Jun 10 10:41:37 AS-WEST-1 systemd[1]: Reached target Bluetooth.
Jun 10 10:41:38 AS-WEST-1 NetworkManager[1118]: <info>  [1591810898.7084] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/NetworkManager/1.22.10/libnm-device-plugin-bluetooth.so)
Jun 10 11:07:37 AS-WEST-1 systemd[1424]: Reached target Bluetooth.
Jun 10 11:07:38 AS-WEST-1 kernel: hid-generic 0005:046D:B020.0003: input,hidraw2: BLUETOOTH HID v0.09 Mouse [MX Vertical] on 88:b1:11:77:ae:ce
Jun 10 11:08:07 AS-WEST-1 bluetoothd[1114]: Endpoint registered: sender=:1.81 path=/MediaEndpoint/A2DPSink/sbc
Jun 10 11:08:07 AS-WEST-1 bluetoothd[1114]: Endpoint registered: sender=:1.81 path=/MediaEndpoint/A2DPSource/sbc
Jun 10 11:08:07 AS-WEST-1 kernel: Bluetooth: RFCOMM TTY layer initialized
Jun 10 11:08:07 AS-WEST-1 kernel: Bluetooth: RFCOMM socket layer initialized
Jun 10 11:08:07 AS-WEST-1 kernel: Bluetooth: RFCOMM ver 1.11
Jun 10 11:08:22 AS-WEST-1 kernel: hid-generic 0005:046D:B020.0004: input,hidraw2: BLUETOOTH HID v0.09 Mouse [MX Vertical] on 88:b1:11:77:ae:ce
Jun 10 11:08:27 AS-WEST-1 systemd[1424]: Stopped target Bluetooth.
Jun 10 11:11:03 AS-WEST-1 bluetoothd[1114]: /org/bluez/hci0/dev_0B_26_75_03_C0_80/sep1/fd0: fd(54) ready
Jun 10 11:26:00 AS-WEST-1 dbus-daemon[1117]: [system] Rejected send message, 0 matched rules; type="method_return", sender=":1.81" (uid=1000 pid=2961 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.5" (uid=0 pid=1114 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
Jun 10 11:26:17 AS-WEST-1 bluetoothd[1114]: /org/bluez/hci0/dev_0B_26_75_03_C0_80/sep1/fd1: fd(55) ready
Jun 10 16:45:44 AS-WEST-1 kernel: Bluetooth: HIDP (Human Interface Emulation) ver 1.2
Jun 10 16:45:44 AS-WEST-1 kernel: Bluetooth: HIDP socket layer initialized
Jun 10 16:45:44 AS-WEST-1 kernel: input: Keychron K4 as /devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:512/0005:05AC:0255.0008/input/input31
Jun 10 16:45:44 AS-WEST-1 kernel: apple 0005:05AC:0255.0008: input,hidraw0: BLUETOOTH HID v1.1b Keyboard [Keychron K4] on 88:b1:11:77:ae:ce
Jun 10 16:45:44 AS-WEST-1 upowerd[1747]: treating change event as add on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:512/0005:05AC:0255.0008/power_supply/hid-dc:2c:26:d9:d8:33-battery
Jun 10 16:46:05 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:05 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:06 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:06 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:06 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:06 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:07 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:07 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:08 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:08 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:08 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:08 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:09 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:09 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:09 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:09 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:09 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:09 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:10 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:10 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:10 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:10 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:10 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:10 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:11 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:11 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:11 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:11 AS-WEST-1 bluetoothd[1114]: connect error: Device or resource busy (16)
Jun 10 16:46:11 AS-WEST-1 bluetoothd[1114]: Can't get HIDP connection info
Jun 10 16:46:16 AS-WEST-1 bluetoothd[1114]: connect error: Host is down (112)
Jun 10 16:46:28 AS-WEST-1 kernel: input: Keychron K4 as /devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:512/0005:05AC:0255.0009/input/input32
Jun 10 16:46:28 AS-WEST-1 kernel: apple 0005:05AC:0255.0009: input,hidraw0: BLUETOOTH HID v1.1b Keyboard [Keychron K4] on 88:b1:11:77:ae:ce
Jun 10 16:46:29 AS-WEST-1 upowerd[1747]: treating change event as add on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:512/0005:05AC:0255.0009/power_supply/hid-dc:2c:26:d9:d8:33-battery
Jun 10 16:47:42 AS-WEST-1 kernel: input: Keychron K4 as /devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:512/0005:05AC:0255.000A/input/input33
Jun 10 16:47:42 AS-WEST-1 kernel: apple 0005:05AC:0255.000A: input,hidraw0: BLUETOOTH HID v1.1b Keyboard [Keychron K4] on 88:b1:11:77:ae:ce
Jun 10 16:47:42 AS-WEST-1 upowerd[1747]: treating change event as add on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:512/0005:05AC:0255.000A/power_supply/hid-dc:2c:26:d9:d8:33-battery
Jun 10 16:54:47 AS-WEST-1 kernel: hid-generic 0005:046D:B020.000D: input,hidraw0: BLUETOOTH HID v0.09 Mouse [MX Vertical] on 88:b1:11:77:ae:ce