/usr/bin/blueman-manager:GLib.GError:msg_reply_handler:on_bluez_name_owner_changed:DisplayKnownDevices:device_add_event:AppendDevice:add_device:monitor_power_levels:level_setup_event

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding blueman. This problem was most recently seen with package version 2.0.4-1ubuntu2, the problem page at https://errors.ubuntu.com/problem/48c9743d8fa083d58f768416d7cf36505254e9a0 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.