I've installed d-feet and it gives me some interesting results, like (each of them repeating plenty of times):
$ d-fee
ERROR: Some clever service is trying to be cute and has the same signal name in the same interface
ERROR: Some clever service is trying to be cute and has the same method name in the same interface
ERROR:dbus.proxies:Introspect error on :1.117:/: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
ERROR:dbus.proxies:Introspect error on org.freedesktop.Notifications:/App: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
ERROR:dbus.proxies:Introspect error on org.kde.DeviceNotifications:/DataEngine: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
ERROR:dbus.proxies:Introspect error on org.freedesktop.Notifications:/KBookmarkManager: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
ERROR:dbus.proxies:Introspect error on org.kde.DeviceNotifications:/KIO: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
ERROR:dbus.proxies:Introspect error on org.kde.StatusNotifierHost-2186:/MainApplication: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
ERROR:dbus.proxies:Introspect error on org.kde.plasma-desktop:/kickoff: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
ERROR:dbus.proxies:Introspect error on :1.129:/: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.UnknownObject: No such object path '/'
org.freedesktop.DBus.Error.UnknownObject: No such object path '/'
I've installed d-feet and it gives me some interesting results, like (each of them repeating plenty of times):
$ d-fee
ERROR: Some clever service is trying to be cute and has the same signal name in the same interface
ERROR: Some clever service is trying to be cute and has the same method name in the same interface
ERROR:dbus. proxies: Introspect error on :1.117:/: dbus.exceptions .DBusException: org.freedesktop .DBus.Error. NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. .DBus.Error. NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
org.freedesktop
ERROR:dbus. proxies: Introspect error on org.freedesktop .Notifications: /App: dbus.exceptions .DBusException: org.freedesktop .DBus.Error. NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. proxies: Introspect error on org.kde. DeviceNotificat ions:/DataEngin e: dbus.exceptions .DBusException: org.freedesktop .DBus.Error. NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. proxies: Introspect error on org.freedesktop .Notifications: /KBookmarkManag er: dbus.exceptions .DBusException: org.freedesktop .DBus.Error. NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. proxies: Introspect error on org.kde. DeviceNotificat ions:/KIO: dbus.exceptions .DBusException: org.freedesktop .DBus.Error. NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. proxies: Introspect error on org.kde. StatusNotifierH ost-2186: /MainApplicatio n: dbus.exceptions .DBusException: org.freedesktop .DBus.Error. NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. proxies: Introspect error on org.kde. plasma- desktop: /kickoff: dbus.exceptions .DBusException: org.freedesktop .DBus.Error. NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. proxies: Introspect error on :1.129:/: dbus.exceptions .DBusException: org.freedesktop .DBus.Error. UnknownObject: No such object path '/' .DBus.Error. UnknownObject: No such object path '/'
ERROR:dbus.
ERROR:dbus.
ERROR:dbus.
ERROR:dbus.
ERROR:dbus.
ERROR:dbus.
org.freedesktop
Not sure if it's related somehow.