HD 2000 ethernet fault

Good morning. I have the following fault on a number of HD 2000 units. 8139too 0000:00:09.0: Chip not responding, ignoring board 1 bbcodeparser bbcode.php bbcode.pl bbcode.txt bbparse.php engine existusers.txt extstusers.parsed1.txt extstusers.parsed2.txt extstusers.parsed.txt htmlentdec.php logs nbbc_files phpbb2zendesk.log phpbb3-to-zd.log phpbb3-to-zdnew.log phpbb3-to-zd.sh phpbb3-to-zd-undo.sh phpbb_db phpbbdb3 phpbbusers.xls postids.tmp post_results.xml posts.xml SBBCodeParser.php stdout studioloft_phpbb.sql styles test2 test4 tests testtext.txt test.txt txt2html_func.php txt2html.php txthtmlencode.php users.json users.json.txt users_tmp.json users_tmp_nc.json zddelete zdget zdpost BOOT ERROR: ethernet-missing The 1080i, 720p and 480p leds flash and the unit does not boot. This happens 1 in five boots. Let me know if you need more detail Nigel