I'm still seeing this issue in Ubuntu 14.04 on Ec2, despite using the latest kernel release:
3.13.0-44-generic #73-Ubuntu SMP Tue Dec 16 00:22:43 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Here are some of the logs I found: kern.log:1634:Jan 15 00:22:59 staging-cool-load-balancer-20150114-10-36-6-94 kernel: [10070.280631] xen_netfront: xennet: skb rides the rocket: 22 slots kern.log:3523:Jan 15 20:01:23 staging-cool-load-balancer-20150114-10-36-6-94 kernel: [80773.747470] xen_netfront: xennet: skb rides the rocket: 19 slots kern.log:3524:Jan 15 20:01:23 staging-cool-load-balancer-20150114-10-36-6-94 kernel: [80773.791014] xen_netfront: xennet: skb rides the rocket: 19 slots kern.log:3525:Jan 15 20:02:14 staging-cool-load-balancer-20150114-10-36-6-94 kernel: [80824.734485] xen_netfront: xennet: skb rides the rocket: 19 slots kern.log:3526:Jan 15 20:02:22 staging-cool-load-balancer-20150114-10-36-6-94 kernel: [80833.403077] xen_netfront: xennet: skb rides the rocket: 19 slots kern.log:3871:Jan 15 23:39:20 staging-cool-load-balancer-20150114-10-36-6-94 kernel: [93850.874250] xen_netfront: xennet: skb rides the rocket: 20 slots kern.log:3872:Jan 15 23:39:20 staging-cool-load-balancer-20150114-10-36-6-94 kernel: [93851.452640] xen_netfront: xennet: skb rides the rocket: 19 slots kern.log:3873:Jan 15 23:39:20 staging-cool-load-balancer-20150114-10-36-6-94 kernel: [93851.453131] xen_netfront: xennet: skb rides the rocket: 20 slots kern.log:3874:Jan 15 23:39:21 staging-cool-load-balancer-20150114-10-36-6-94 kernel: [93851.695471] xen_netfront: xennet: skb rides the rocket: 19 slots -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1317811 Title: Dropped packets on EC2, "xen_netfront: xennet: skb rides the rocket: x slots" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1317811/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
