<field type="CARD32" name="bad_value" />
<field type="CARD16" name="minor_opcode" />
<field type="CARD8" name="major_opcode" />
<field type="CARD32" name="bad_value" />
<field type="CARD16" name="minor_opcode" />
<field type="CARD8" name="major_opcode" />