Comment 30 for bug 1317811

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