I note the following changelog for libqt4-dbus:
qt4-x11 (4:4.7.3-4ubuntu5) oneiric; urgency=low
* Move qdbus from libqt4-dbus to qt4-dev-tools, so that libqt4-dbus is genuinely multiarch-installable. LP: #825689.
-- Steve Langasek <email address hidden> Tue, 16 Aug 2011 15:46:28 -0700
So I've installed qt4-dev-tools, which functions as a work around.
I note the following changelog for libqt4-dbus:
qt4-x11 (4:4.7.3-4ubuntu5) oneiric; urgency=low
* Move qdbus from libqt4-dbus to qt4-dev-tools, so that libqt4-dbus is installable. LP: #825689.
genuinely multiarch-
-- Steve Langasek <email address hidden> Tue, 16 Aug 2011 15:46:28 -0700
So I've installed qt4-dev-tools, which functions as a work around.