Trying concourse in our private cloud (no internet connectivity).
Failure compiling btrfs. The concourse bosh release is not self-content ?

Started compiling packages > btrfs-progs/08e05d2d1544879180056b45b712b571266c0c9e. Failed: Action Failed get_task: Task eb16cce8-c8d0-4b11-485b-e8e00454119f result: Compiling package btrfs-progs: Running packaging script: Command exited with 100; Stdout:
Err http://archive.ubuntu.com trusty-updates InRelease

Err http://archive.ubuntu.com trusty Release.gpg
Could not resolve 'archive.ubuntu.com'
Err http://archive.ubuntu.com trusty-updates Release.gpg
Could not resolve 'archive.ubuntu.com'
Err http://security.ubuntu.com trusty-security InRelease