allocation_pools = [{'start': start, 'end': end}]
subnet = {'subnet': {'name': name,
'network_id': network_id,
'ip_version': ip_version,
'cidr': cidr_ip,
allocation_pools = [{'start': start, 'end': end}]
subnet = {'subnet': {'name': name,
'network_id': network_id,
'ip_version': ip_version,
'cidr': cidr_ip,