[21068723.434629] xen_netfront: xennet: skb rides the rocket: 19 slots

skb rides the rocket bug, this issue affects often Hadoop clusters.

Each time I face it, I remember this excelent blog post from Brendan Gregg:

http://www.brendangregg.com/blog/2014-09-11/perf-kernel-line-tracing.html

Enjoy