def build_intf_confstr(self, snippet, intf_type, interface, vlanid):
        confstr = snippet % (intf_type, interface, vlanid, intf_type)
        return confstr
Fetch all subnets from VSM.
dataset/ETHPy150Open openstack/networking-cisco/networking_cisco/plugins/ml2/drivers/cisco/nexus/nexus_network_driver.py/CiscoNexusDriver.build_intf_confstr--crossover with--dataset/ETHPy150Open openstack/networking-cisco/networking_cisco/plugins/ml2/drivers/cisco/n1kv/n1kv_client.py/Client.list_subnets