Does this help?
systemd[998]: Reached target Bluetooth.
May 14 07:17:54 graeme-Inspiron-5567 dbus-daemon[1026]: [session uid=1000 pid=1026] Activating service name='org.freedesktop.Notifications' requested by ':1.49' (uid=1000 pid=1460 comm="/usr/bin/py>
May 14 07:17:54 graeme-Inspiron-5567 bluetoothd[717]: profiles/input/device.c:control_connect_cb() connect to 54:46:6B:EA:07:16: Permission denied (13)
May 14 07:17:54 graeme-Inspiron-5567 dbus-daemon[1026]: [session uid=1000 pid=1026] Successfully activated service 'org.freedesktop.Notifications'
May 14 07:17:54 graeme-Inspiron-5567 blueman-manager[1866]: blueman-manager 07.17.54 WARNING ManagerDeviceMenu:145 fail : fail g-dbus-error-quark: GDBus.Error
rg.freedesktop.DBus.Error.Faile>
May 14 07:17:54 graeme-Inspiron-5567 blueman-manager[1866]: (0)
and
bluetoothd
D-Bus setup failed: Connection ":1.1748" is not allowed to own the service "org.bluez" due to security policies in the configuration file
and
btmgmt le on
Set Low Energy for hci0 failed with status 0x14 (Permission Denied)
Graeme