def format_epilog(self, formatter):
        if not self.epilog:
            self.epilog = ""
        return self.epilog
Find the ip address that assinged to a port via DHCP
dataset/ETHPy150Open prestodb/presto-admin/prestoadmin/util/parser.py/LoggingOptionParser.format_epilog--crossover with--dataset/ETHPy150Open openstack/networking-cisco/networking_cisco/apps/saf/server/dfa_server.py/DfaServer.update_port_ip_address