Bandwidth Monitor NG is a small and simple console-based live bandwidth
 monitor.
 .
 Short list of features:
   * supports /proc/net/dev, netstat, getifaddr, sysctl, kstat and libstatgrab
   * unlimited number of interfaces supported
   * interfaces are added or removed dynamically from list
   * white-/blacklist of interfaces
   * output of KB/s, Kb/s, packets, errors, average, max and total sum
   * output in curses, plain console, CSV or HTML
   * configfile