A bisection reveals that the following patch solves the issue: 8093315a91340bca52549044975d8c7f673b28a1 veth: extend device features
However it relies on: 2681128f0ced8aa4e66f221197e183cc16d244fe veth: reduce stat overhead For a clean cherry-pick. And after building and testing the following bug needed to be fixed with: d0e2c55e7c940a3ee91e9e23a2683b593690f1e9 veth: avoid a NULL deref in veth_stats_one A test build is available here that solves the issue backported to 3.5/3.8: http://people.canonical.com/~arges/lp1201869/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1201869 Title: poor networking throughput across an OpenStack Neutron router on 3.5/3.8 kernels To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1201869/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
