def get_dhcp_leases(self, ctxt, network_ref):
        LOG.debug('Get DHCP leases for network %s', network_ref['uuid'])
        return self.driver.get_dhcp_leases(ctxt, network_ref)
Generate a random challenge of 8 bytes, hex string formated
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/network/manager.py/NetworkManager.get_dhcp_leases--crossover with--dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/south/plugins/storage/twistedimpl/securedht/dht_server_commons.py/generate_challenge