Karabiner Dvorak no Yubikeys or Knesis

private.xml

<?xml version="1.0"?>
<root>
    <devicevendordef>
        <vendorname>KNESIS</vendorname>
        <vendorid>0x05f3</vendorid>
    </devicevendordef>

    <item>
      <name>Use Dvorak (No Yubikeys or Knesis)</name>
      <appendix>(QWERTY to Dvorak)</appendix>
      <appendix>(ignores Yubikeys and Knesis)</appendix>
      <identifier>remap.dvorak2qwerty_qwerty2dvoraknoyubicoknesis</identifier>
      <device_not>DeviceVendor::KNESIS, DeviceVendor::YUBICO</device_not>
      <include path="/Applications/Karabiner.app/Contents/Resources/include/checkbox/snippets/dvorak.xml" />
    </item>
</root>