This is generated every second:

Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_ref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2688.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2824.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2824.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_ref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2688.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2824.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2824.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2824.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_ref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2688.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2824.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2824.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: process 4451: arguments to dbus_connection_unref() were incorrect, assertion "connection->generation == _dbus_current_generation" failed in file ../../../dbus/dbus-connection.c line 2824.
Oct 25 19:19:20 NEXUS-ONE org.gnome.Shell.desktop[1659]: This is normally a bug in some application using the D-Bus library.