{% load i18n %}

<svg width="400" height="400" id="topology_canvas">
  <defs>
    <pattern id="device_normal_bg" patternUnits="userSpaceOnUse" x="0" y="0" width="20" height="20">
      <g>
        <rect width="20" height="20" class="base_bg_normal"></rect>
      </g>
    </pattern>
    <pattern id="device_normal_bg_loading" patternUnits="userSpaceOnUse" x="0" y="0" width="20" height="20">
      <g>
        <rect width="20" height="20" class="loading_bg_normal"></rect>
        <path d='M0 20L20 0ZM22 18L18 2