Seeing the following running suite:wifi_perf on my grunt.
This is a ToDo to fix or remove these warnings later. 

15:50:12 INFO | autoserv| 
15:50:12 INFO | autoserv| tko parser: update RUNNING reason: completed successfully
15:50:12 INFO | autoserv| tko parser: parsing test network_WiFi_Perf.ht20 network_WiFi_Perf.ht20
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSon_tcp_tx_throughput{perf}=20.48+-2.26" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSon_tcp_rx_throughput{perf}=82.20+-9.96" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSon_udp_tx_errors{perf}=0.00+-0.00" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSon_udp_tx_throughput{perf}=99.70+-0.18" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSon_udp_rx_errors{perf}=0.00+-0.00" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSon_udp_rx_throughput{perf}=111.01+-0.12" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSoff_tcp_tx_throughput{perf}=21.13+-2.64" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSoff_tcp_rx_throughput{perf}=86.70+-0.35" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSoff_udp_tx_errors{perf}=0.00+-0.00" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSoff_udp_tx_throughput{perf}=99.63+-0.14" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSoff_udp_rx_errors{perf}=0.00+-0.00" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch001_modeHT20_none_PSoff_udp_rx_throughput{perf}=111.08+-0.29" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSon_tcp_tx_throughput{perf}=21.73+-0.37" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSon_tcp_rx_throughput{perf}=87.77+-0.13" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSon_udp_tx_errors{perf}=0.00+-0.00" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSon_udp_tx_throughput{perf}=100.99+-0.12" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSon_udp_rx_errors{perf}=0.00+-0.00" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSon_udp_rx_throughput{perf}=112.64+-0.20" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSoff_tcp_tx_throughput{perf}=21.08+-0.49" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSoff_tcp_rx_throughput{perf}=87.95+-0.25" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSoff_udp_tx_errors{perf}=0.00+-0.00" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSoff_udp_tx_throughput{perf}=101.13+-0.11" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSoff_udp_rx_errors{perf}=0.00+-0.00" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: WARNING: line "ch157_modeHT20_none_PSoff_udp_rx_throughput{perf}=112.68+-0.24" found in test iteration keyval could not be parsed
15:50:12 INFO | autoserv| tko parser: ADD: GOOD
15:50:12 INFO | autoserv| Subdir: network_WiFi_Perf.ht20
15:50:12 INFO | autoserv| Testname: network_WiFi_Perf.ht20