def created(self, key):
        return self._get_item(key)[0]['_p4p2p']['timestamp']
Get network's hosts config in dhcp-opts format.
dataset/ETHPy150Open ntoll/p4p2p/p4p2p/dht/storage.py/DataStore.created--crossover with--dataset/ETHPy150Open openstack/nova/nova/network/linux_net.py/get_dhcp_opts