Comment 11 for bug 1408833

I can confirm that the linked kernel fixes the original issue for me. I can create a container and install uvtool, and cloud-init finishes successfully.

ubuntu@uoi-bootstrap:/$ uname -a
Linux uoi-bootstrap 3.18.0-8-generic #9+lp1408833 SMP Mon Jan 12 17:08:53 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@uoi-bootstrap:/$ sudo apt-cache policy uvtool
uvtool:
  Installed: 0~bzr92-0ubuntu2
  Candidate: 0~bzr92-0ubuntu2
  Version table:
 *** 0~bzr92-0ubuntu2 0
        500 http://archive.ubuntu.com/ubuntu/ utopic/universe amd64 Packages
        100 /var/lib/dpkg/status

ubuntu@uoi-bootstrap:/$ sudo cat /run/cloud-init/result.json
{
 "v1": {
  "errors": [],
  "datasource": "DataSourceNoCloudNet [seed=/var/lib/cloud/seed/nocloud-net][dsmode=net]"
 }
}