Package: virtualbox Pin: release a=unstable Pin-Priority: 400 Package: virtualbox-qt Pin: release a=unstable Pin-Priority: 400 Package: virtualbox-dkms Pin: release a=unstable Pin-Priority: 400 Package: virtualbox-guest-x11 Pin: release a=unstable Pin-Priority: 400 Package: virtualbox-guest-utils Pin: release a=unstable Pin-Priority: 400