This bug was fixed in the package horizon - 1:2013.1-0ubuntu3
--------------- horizon (1:2013.1-0ubuntu3) raring; urgency=low
* Re-sync Ubuntu theme with upstream changes, fixing instance network selection dialog and network topology screens (LP: #1157918). -- James Page <email address hidden> Mon, 22 Apr 2013 14:09:04 +0100
This bug was fixed in the package horizon - 1:2013.1-0ubuntu3
---------------
horizon (1:2013.1-0ubuntu3) raring; urgency=low
* Re-sync Ubuntu theme with upstream changes, fixing instance network
selection dialog and network topology screens (LP: #1157918).
-- James Page <email address hidden> Mon, 22 Apr 2013 14:09:04 +0100