def get_ntp_peers(self):
raise NotImplementedError<EOL>
Returns the NTP peers configuration as dictionary.
The keys of the dictionary represent the IP Addresses of the peers.
Inner dictionaries do not have yet any available keys.

Example::

    {
        '192.168.0.1': {},
        '17.72.148.53': {},
        '37.187.56.220': {},
        '162.158.20.18': {}
    }