_Performance Testing issues_

Branch: dpdk-next-net

d0185e7a58fd2e3dfe1ab66accdee14e3cd72ea7 --> performance testing fail

Test environment and result as below:

Ubuntu 18.04
Kernel: 4.15.0-generic
GCC: 7.4
NIC: Mellanox ConnectX-5 100000 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.

https://lab.dpdk.org/results/dashboard/tarballs/6148/

UNH-IOL DPDK Performance Test Lab

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