
This is required by the new c5.* instance types. Note that this changes disk names from /dev/xvd* to /dev/nvme0n*. Amazon Linux has a udev rule that calls a Python script named "ec2nvme-nsid" to create compatibility symlinks. We could use that, but it would mean adding Python to the AMI closure...
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.