title: NS3 Pyviz Visualization Writing Value Problem
body: <p>When I run ns3 visualization tool, Values are written like this, Numbers are overlapping</p>
  <p>What should I do? I run this in VirtualBox ubuntu version 20.04.3 LTS</p>
  <p><a href="https://i.stack.imgur.com/8lLNE.png" rel="nofollow noreferrer">Pyviz visualization</a></p>