Comment 0 for bug 1348551

qemu-kvm is a transitional package, so can be removed in which case qemu-kvm defaults won't ever get applied:

>>>>>

start on runlevel [2345]

pre-start script
    # Silently exit if the package isn't installed anymore
    if [ ! -e /usr/bin/kvm ]; then
        exit 0
    fi

<<<<<<

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: qemu-system-x86 2.0.0+dfsg-2ubuntu1
ProcVersionSignature: User Name 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
Date: Fri Jul 25 09:20:35 2014
SourcePackage: qemu
UpgradeStatus: No upgrade log present (probably fresh install)