On non-EC2 fetching the EC2 user-data can take too long to fail

```bash
# curl -o /tmp/context.sh.new http://169.254.169.254/latest/user-data
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:--  0:02:07 --:--:--     0curl: (7) Failed connect to 169.254.169.254:80; Connection timed out
```