Nix: Nix failing to install on Debian Stretch Linux 4.10 x86_64

[tritoncompute]

Running on Debian Stretch
Linux 4.10 x86_64

Installing Nix in Multi user mode

Fails at
---- sudo execution ------------------------------------------------------------
I am executing:

$ sudo HOME=/root /nix/store/5hdmx9yk7gr71b98j4vh9271k0zg5jis-nix-2.2.1/bin/nix-env -i /nix/store/5hdmx9yk7gr71b98j4vh9271k0zg5jis-nix-2.2.1

to installing a bootstrapping Nix in to the default Profile

installing 'nix-2.2.1'
error: cloning builder process: Invalid argument
error: unable to start build process

[grahamc]

Try putting this in /etc/nix/nix.conf:

sandbox = false

and try again.

[tritoncompute]

Same results, do you know if 'Cgroup namespace' is needed for Nix?

Thank You