Description of problem:

when starting: service tuned start, i get 

Starting tuned: Traceback (most recent call last):
  File "/usr/sbin/tuned", line 80, in <module>
    tuned.init(TUNEDDIR, cfgfile)
  File "/usr/share/tuned/tuned.py", line 60, in init
    self.__initplugins__(path, "monitorplugins", self.mp)
  File "/usr/share/tuned/tuned.py", line 38, in __initplugins__
    exec _cmd
  File "<string>", line 1, in <module>
  File "/usr/share/tuned/monitorplugins/net.py", line 108, in <module>
    _plugin = NetMonitor()
  File "/usr/share/tuned/monitorplugins/net.py", line 36, in __init__
    max_speed = self.__calcspeed__( ethcard(d).get_max_speed() );
  File "/usr/share/tuned/tuned_nettool.py", line 201, in ethcard
    ethcard.list[interface] = Tuned_nettool(interface)
  File "/usr/share/tuned/tuned_nettool.py", line 35, in __init__
    self.update()
  File "/usr/share/tuned/tuned_nettool.py", line 162, in update
    self.speed = re_speed.match(line).group(1)
AttributeError: 'NoneType' object has no attribute 'group'