cannot install virtualbricks in an up-to-date ubuntu 14.04

[Michele]

I can install virtualbricks only after forcing qemu to downgrade

$ sudo apt-get install virtualbricks
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 virtualbricks : Depends: qemu (= 2.0.0+dfsg-2ubuntu1.3vde1)
                 Depends: qemu-kvm (= 2.0.0+dfsg-2ubuntu1.3vde1)
                 Depends: qemu-system-arm (= 2.0.0+dfsg-2ubuntu1.3vde1)
                 Depends: qemu-system-mips (= 2.0.0+dfsg-2ubuntu1.3vde1)
                 Depends: qemu-system-misc (= 2.0.0+dfsg-2ubuntu1.3vde1)
                 Depends: qemu-system-ppc (= 2.0.0+dfsg-2ubuntu1.3vde1)
                 Depends: qemu-system-sparc (= 2.0.0+dfsg-2ubuntu1.3vde1)
                 Depends: qemu-system-x86 (= 2.0.0+dfsg-2ubuntu1.3vde1)
                 Depends: qemu-user (= 2.0.0+dfsg-2ubuntu1.3vde1)
                 Depends: qemu-system (= 2.0.0+dfsg-2ubuntu1.3vde1)
E: Unable to correct problems, you have held broken packages.

$ apt-cache policy qemu
qemu:
  Installed: 2.0.0+dfsg-2ubuntu1.6
  Candidate: 2.0.0+dfsg-2ubuntu1.6
  Version table:
     2.0.0+dfsg-2ubuntu1.6 0
        500 http://it.archive.ubuntu.com/ubuntu/ trusty-proposed/universe amd64 Packages
     2.0.0+dfsg-2ubuntu1.5 0
        500 http://it.archive.ubuntu.com/ubuntu/ trusty-updates/universe amd64 Packages
 *** 2.0.0+dfsg-2ubuntu1.3vde1 0
        500 http://cnrl.deis.unibo.it/repo/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status
     2.0.0+dfsg-2ubuntu1.3 0
        500 http://security.ubuntu.com/ubuntu/ trusty-security/universe amd64 Packages
     2.0.0~rc1+dfsg-0ubuntu3 0
        500 http://it.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages

[Michele (michirod)]

Sorry, wrong place to report this