_total_to_diff["khatus_sensor_net_addr_io", "bytes_read" ] = 1
_total_to_diff["khatus_sensor_net_addr_io", "bytes_written" ] = 1
_total_to_diff["khatus_sensor_net_addr_io", "bytes_read" ] = 1
_total_to_diff["khatus_sensor_net_addr_io", "bytes_written" ] = 1