id summary reporter owner description type status component version resolution keywords cc guest host 13839 ethernet frequently disconnecting / reconnecting after upgrade to 4.3.22 => Fixed in SVN Geof "Here's part of my syslog (hopefully that helps). I had to rollback to my previous version of VirtualBox, 2.3.20 (problem went away). " defect closed network/NAT VirtualBox 4.3.22 fixed network disconnecting Linux Windows