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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _connect_setns(spec, kind=None):
 """ Return ContextService arguments for a mitogen_setns connection. """

    return {
        'method': 'setns',
        'kwargs': {
            'container': spec.remote_addr(),
            'username': spec.remote_user(),
            'python_path': spec.python_path(),
            'kind': kind or spec.mitogen_kind(),
            'docker_path': spec.mitogen_docker_path(),
            'lxc_path': spec.mitogen_lxc_path(),
            'lxc_info_path': spec.mitogen_lxc_info_path(),
            'machinectl_path': spec.mitogen_machinectl_path(),
        }
    }