Description of problem:
Happened during login, no bluetooth function on this PC.

Version-Release number of selected component:
blueman-2.0-5.fc21

Additional info:
reporter:       libreport-2.3.0
cmdline:        python /usr/bin/blueman-applet
dso_list:       dbus-python-1.2.0-7.fc21.x86_64
executable:     /usr/bin/blueman-applet
kernel:         4.0.4-202.fc21.x86_64
runlevel:       N 5
type:           Python
uid:            10000

Truncated backtrace:
connection.py:651:call_blocking:DBusException: org.freedesktop.systemd1.LoadFailed: Unit dbus-org.bluez.service failed to load: No such file or directory.

Traceback (most recent call last):
  File "/usr/bin/blueman-applet", line 120, in <module>
    BluemanApplet()
  File "/usr/bin/blueman-applet", line 62, in __init__
    self.Plugins.Load()
  File "/usr/lib/python2.7/site-packages/blueman/main/PluginManager.py", line 90, in Load
    __import__(self.module_path.__name__ + ".%s" % plugin, None, None, [])
  File "/usr/lib/python2.7/site-packages/blueman/plugins/applet/AuthAgent.py", line 9, in <module>
    import blueman.main.applet.BluezAgent as BluezAgent
  File "/usr/lib/python2.7/site-packages/blueman/main/applet/BluezAgent.py", line 20, in <module>
    from blueman.bluez.Agent import Agent, AgentMethod
  File "/usr/lib/python2.7/site-packages/blueman/bluez/Agent.py", line 48, in <module>
    class Agent(dbus.service.Object):
  File "/usr/lib/python2.7/site-packages/blueman/bluez/Agent.py", line 56, in Agent
    @AgentMethod
  File "/usr/lib/python2.7/site-packages/blueman/bluez/Agent.py", line 38, in AgentMethod
    if BlueZInterface.get_interface_version()[0] < 5:
  File "/usr/lib/python2.7/site-packages/blueman/bluez/BlueZInterface.py", line 16, in get_interface_version
    obj = dbus.SystemBus().get_object('org.bluez', '/')
  File "/usr/lib64/python2.7/site-packages/dbus/bus.py", line 241, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib64/python2.7/site-packages/dbus/proxies.py", line 248, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib64/python2.7/site-packages/dbus/bus.py", line 180, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib64/python2.7/site-packages/dbus/bus.py", line 278, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib64/python2.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
DBusException: org.freedesktop.systemd1.LoadFailed: Unit dbus-org.bluez.service failed to load: No such file or directory.

Local variables in innermost frame:
byte_arrays: False
self: <dbus._dbus.SystemBus (system) at 0x7f91adc793b0>
args: (u'org.bluez', 0)
object_path: '/org/freedesktop/DBus'
signature: 'su'
bus_name: 'org.freedesktop.DBus'
get_args_opts: {'byte_arrays': False, 'utf8_strings': False}
timeout: -1.0
kwargs: {}
dbus_interface: 'org.freedesktop.DBus'
message: <dbus.lowlevel.MethodCallMessage path: /org/freedesktop/DBus, iface: org.freedesktop.DBus, member: StartServiceByName dest: org.freedesktop.DBus>
method: 'StartServiceByName'