_Functional Testing issues_

Branch: dpdk-next-net

da7cd22e6e518a5e65a70ee666cf5db2c2a3daf7 --> functional testing fail

Test environment and result as below:

Arm Ampere Altra - Ubuntu 20.04.4
Kernel: 5.4.0-137-generic aarch64
Compiler: gcc 9.4
NIC: Broadcom Inc. and subsidiaries BCM957508-P2100G Dual-Port 100 Gb/s QSFP56 100 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 1/2
	Failed Tests:
		- unit_tests_mbuf


Ubuntu 20.04 ARM
Kernel: 4.15.0-132-generic
Compiler: gcc 7.5
NIC: Arm Broadcom Inc. brcm_57414 25000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/1


To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/23287/

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