title: RTNETLINK answers: No such file or directory
body: <p>When I run this cmd:</p>
  
  <pre><code>tc qdisc add dev eth0 root red limit 51200000 min 128000 max 512000 avpkt 1024 burst 200 ecn probability 0.5
  </code></pre>
  
  <p>i get </p>
  
  <pre><code>RTNETLINK answers: No such file or directory
  </code></pre>
  
  <p>I have configured the kernel for <code>netfilters</code>, and all the networking options in <code>menuconfig</code>. </p>
  
  <p>I don't understand why this error occurs. I'm using <code>iproute2-2.6.23</code> and Fedora 8. </p>
  
  <p>This was working fine on my laptop, but not on my Desktop PC?</p>