def server_descriptions(self):
        return self._server_descriptions.copy()
Given the nexus host, get the version data.
dataset/ETHPy150Open mongodb/mongo-python-driver/pymongo/topology_description.py/TopologyDescription.server_descriptions--crossover with--dataset/ETHPy150Open openstack/networking-cisco/networking_cisco/plugins/ml2/drivers/cisco/nexus/nexus_network_driver.py/CiscoNexusDriver.get_version