id summary reporter owner description type status component version resolution keywords cc guest host 7459 NAT networking drops out after a few days' uptime -> fixed in svn. dimitris "Both host and guest are Ubuntu Lucid servers, guest additions are up-to-date, guest uses a virtio adapter with NAT networking. 2-3 days after starting the guest, it loses connectivity to the outside world. These are the last few entries in its log: {{{ 31:39:39.715 NAT: adding domain name lan to search list 31:39:39.715 NAT: DHCP offered IP address 10.0.2.15 42:40:55.746 NAT: adding domain name lan to search list 42:40:55.746 NAT: DHCP offered IP address 10.0.2.15 51:08:57.554 NAT: error occurred while sending ICMP error message }}} The guest is running Logitech's Squeezebox Server, a perl-based music server. Ports for that have been forwarded (see machine XML) and traffic flows normally before the machine drops out. log and machine XML to be attached." defect closed network/NAT VirtualBox 4.0.2 fixed NAT DHCP Linux Linux