https://forums.virtualbox.org/viewtopic.php?f=7&t=48040
Here is a possible explanation, VMs running avahi have the same IP as the host (NATed) and this is where the error seems to come from. Recommended solution is to run the VMs in bridge mode, and get them a real unique address via DHCP or whatever. HTH... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/447442 Title: avahi-daemon reports "Received response with invalid source port # on interface 'eth0.0'" all the time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/447442/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs