Comment 2 for bug 1440829

StacktraceTop:
 g_type_check_instance_is_fundamentally_a (type_instance=type_instance@entry=0x72747365645f6c6c, fundamental_type=fundamental_type@entry=80) at /build/buildd/glib2.0-2.44.0/./gobject/gtype.c:4026
 g_object_unref (_object=0x72747365645f6c6c) at /build/buildd/glib2.0-2.44.0/./gobject/gobject.c:3071
 on_connection_disconnected (connection=<optimized out>, remote_peer_vanished=<optimized out>, error=<optimized out>, user_data=0x1f67410) at /build/buildd/glib2.0-2.44.0/./gio/gdbusnamewatching.c:261
 ffi_call_unix64 () at ../src/x86/unix64.S:76
 ffi_call (cif=cif@entry=0x7f3496481810, fn=<optimized out>, rvalue=0x7f3496481770, avalue=avalue@entry=0x7f3496481710) at ../src/x86/ffi64.c:525