Start the named container

    CLI Example:

    .. code-block:: bash

        salt myminion nspawn.start <name>

def start(name):
    '''
    Start the named container

    CLI Example:

    .. code-block:: bash

        salt myminion nspawn.start <name>
    '''
    if _sd_version() >= 219:
        ret = _machinectl('start {0}'.format(name))
    else:
        cmd = 'systemctl start systemd-nspawn@{0}'.format(name)
        ret = __salt__['cmd.run_all'](cmd, python_shell=False)

    if ret['retcode'] != 0:
        __context__['retcode'] = salt.defaults.exitcodes.EX_UNAVAILABLE
        return False
    return True