Amazon AWS xennet: skb rides the rocket

Saw some time ago this problem in one server

 

 xennet: skb rides the rocket

 

Seems like we had  some kernel driver or hardware interaction problem when dealing with lots of sockets or jumbo frames.

 

To solve that, I had configured MTU to 1500 and 

ethtool -K eth0 gso off

ethtool -K eth0 tso off

 

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