_Performance Testing issues_

Branch: dpdk-next-virtio

653aa0f3d3daebceadebb5a88236028c49b33ea1 --> performance testing fail

Test environment and result as below:

Ubuntu 18.04
Kernel: 4.14.122
GCC: 7.3.0
NIC: NXP LS2088A 10000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/0

Detail performance results: 
There were no deltas reported. There may have been an issue with the test harness. If logs are available, download them from the ci website for more information.

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/7766/

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