redirect_port path walk kill remove PIPE Popen STDOUT call DNSQuery tlv_parse dhcp_offer craft_header craft_options tlv_encode get_host_ip_addresses DelayWorker ethernet_interfaces get_mac self.leased_address get_namespaced_static dns_server get get_setting msg_queue flowWalker get_DHCP_Discover_clients _dataClients config check_output Python PyInterpreterInspection 1516493699572 1516493699572