2016-12-06 10:44:32,786:INFO:Using host_id: d3ffd4e8-cdad-3c6b-8a84-7c597ed5ef52
2016-12-06 10:44:32,786:INFO:Launching X server and X session.
2016-12-06 10:44:32,794:INFO:Starting Xvfb on display :20
xdpyinfo:  unable to open display ":20".
2016-12-06 10:44:33,300:INFO:X server is active.
Traceback (most recent call last):
  File "/opt/google/chrome-remote-desktop/chrome-remote-desktop", line 1545, in <module>
    sys.exit(main())
  File "/opt/google/chrome-remote-desktop/chrome-remote-desktop", line 1472, in main
    desktop.launch_session(args)
  File "/opt/google/chrome-remote-desktop/chrome-remote-desktop", line 656, in launch_session
    self._launch_x_server(x_args)
  File "/opt/google/chrome-remote-desktop/chrome-remote-desktop", line 579, in _launch_x_server
    self._launch_xvfb(display, x_auth_file, extra_x_args)
  File "/opt/google/chrome-remote-desktop/chrome-remote-desktop", line 503, in _launch_xvfb
    stdout=devnull, stderr=devnull)
  File "/usr/lib/python2.7/subprocess.py", line 523, in call
    return Popen(*popenargs, **kwargs).wait()
  File "/usr/lib/python2.7/subprocess.py", line 711, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1343, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory
2016-12-06 10:44:33,303:INFO:Cleanup.
2016-12-06 10:44:33,303:INFO:Terminating X server