Marking it invalid against bridge-utils as the tool used to setup the bridge isn't the problem, it's most likely either a kernel bug or a configuration problem. I personally reproduce similar bottlenecks in the past and Simon's suggestion usually helps quite a lot (if CPU bound).
** Changed in: bridge-utils (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/894608 Title: Implementing a bridge slows 10G network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/894608/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs