DBUS failure in docl image builder

dbus_docl_failure.txt

Sending build context to Docker daemon  12.8 kB

Step 1 : FROM solita/centos-systemd-ssh:7
 ---> 93d5798b423e
Step 2 : RUN yum install -y -q which sudo initscripts libselinux-utils logrotate
 ---> Using cache
 ---> d1c8f8bb37d0
Successfully built d1c8f8bb37d0
Traceback (most recent call last):
  File "/home/ubuntu/.virtualenvs/cloudify/bin/docl", line 11, in <module>
    load_entry_point('docl', 'console_scripts', 'docl')()
  File "/home/ubuntu/dev/repos/docl/docl/main.py", line 34, in main
    parser.dispatch(errors_file=errors)
  File "/home/ubuntu/.virtualenvs/cloudify/local/lib/python2.7/site-packages/argh/helpers.py", line 55, in dispatch
    return dispatch(self, *args, **kwargs)
  File "/home/ubuntu/.virtualenvs/cloudify/local/lib/python2.7/site-packages/argh/dispatching.py", line 174, in dispatch
    for line in lines:
  File "/home/ubuntu/.virtualenvs/cloudify/local/lib/python2.7/site-packages/argh/dispatching.py", line 277, in _execute_command
    for line in result:
  File "/home/ubuntu/.virtualenvs/cloudify/local/lib/python2.7/site-packages/argh/dispatching.py", line 260, in _call
    result = function(*positional, **keywords)
  File "/home/ubuntu/dev/repos/docl/docl/commands.py", line 121, in bootstrap
    tag=tag)
  File "/home/ubuntu/dev/repos/docl/docl/commands.py", line 99, in prepare
    tag=tag)
  File "/home/ubuntu/dev/repos/docl/docl/commands.py", line 507, in _create_base_container
    quiet_docker('exec', container_id, 'systemctl', 'start', 'dbus')
  File "/home/ubuntu/.virtualenvs/cloudify/local/lib/python2.7/site-packages/proxy_tools/__init__.py", line 131, in <lambda>
    __call__ = lambda x, *a, **kw: x._get_current_object()(*a, **kw)
  File "/home/ubuntu/.virtualenvs/cloudify/local/lib/python2.7/site-packages/sh.py", line 1021, in __call__
    return RunningCommand(cmd, call_args, stdin, stdout, stderr)
  File "/home/ubuntu/.virtualenvs/cloudify/local/lib/python2.7/site-packages/sh.py", line 486, in __init__
    self.wait()
  File "/home/ubuntu/.virtualenvs/cloudify/local/lib/python2.7/site-packages/sh.py", line 500, in wait
    self.handle_command_exit_code(exit_code)
  File "/home/ubuntu/.virtualenvs/cloudify/local/lib/python2.7/site-packages/sh.py", line 516, in handle_command_exit_code
    raise exc(self.ran, self.process.stdout, self.process.stderr)
sh.ErrorReturnCode_1: 

  RAN: '/usr/bin/docker -H 172.20.0.1 exec b8851dba7393fb619d34859048fcd54e242371e8af47573ec6e06a05a54fa51a systemctl start dbus'

  STDOUT:


  STDERR:
Failed to get D-Bus connection: Operation not permitted