On Fri, Aug 15, 2014 at 4:50 AM, Tom Horsley <horsley1953 at gmail.com> wrote: > I think I have my answer: The kernel is busted (or something > isn't loaded that I need, but don't know about :-). > > I copied my Fedora 20 desktop 3.15.8-200.fc20.x86_64 kernel > and /lib/module files to the centos7 KVM host, rebuilt > grub.cfg, and rebooted into the 3.15.8-200 kernel, and > with no other changes the UDP packet forwarding is now working > perfectly. It is much easier if you use ELRepo's kernel-ml (http://elrepo.org/tiki/kernel-ml). > I guess it is time to make yet another bugzilla account > and submit a bug... Yes, good idea. Akemi