Ok. I've found a clue. It's in the MTU size. If you enlarge the specified MTU size in my test code by 14 (fourteen - the size of an Ethernet header), then the frames go through unhindered. It looks like someone interpreted 'MTU' to mean: 'size of the Ethernet frame' instead of 'size of the Ethernet payload'.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1780103 Title: Network namespaces support for non-IP suddenly missing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1780103/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
