[mixmastamyk]

    sudo apt-get install linux-generic-lts-quantal

Easy to upgrade.

[viraptor]

If you can, it's easy. I wish everyone to work in environments where it's that simple ;)

[mixmastamyk]

Kernel interface change is low on purpose. Test it first with additional vms before throwing up your hands and exclaiming it can't be done, you might be surprised.