_Testing issues_

Branch: tags/v20.11

3a9281f20e36c3ccf49ad421ac99a28a650f220c --> testing fail

Test environment and result as below:

+-----------------------------+----------+
|         Environment         | abi_test |
+=============================+==========+
| Ubuntu 20.04 ARM GCC Native | PASS     |
+-----------------------------+----------+
| RHEL 7                      | FAIL     |
+-----------------------------+----------+
| RHEL8                       | FAIL     |
+-----------------------------+----------+
| openSUSE Leap 15            | FAIL     |
+-----------------------------+----------+
| Fedora 34 clang             | FAIL     |
+-----------------------------+----------+

==== 20 line log output for Fedora 34 clang (abi_test): ====
in pointed to type 'struct rte_mbuf' at rte_mbuf_core.h:474:1:
type size hasn't changed
1 data member changes (4 filtered):
type of 'anonymous data member union {uint32_t packet_type; struct {uint8_t l2_type; uint8_t l3_type; uint8_t l4_type; uint8_t tun_type; union {uint8_t inner_esp_next_proto; struct {uint8_t inner_l2_type; uint8_t inner_l3_type;};}; uint8_t inner_l4_type;};}' changed:
type size hasn't changed
1 data member changes (1 filtered):
type of 'anonymous data member struct {uint8_t l2_type; uint8_t l3_type; uint8_t l4_type; uint8_t tun_type; union {uint8_t inner_esp_next_proto; struct {uint8_t inner_l2_type; uint8_t inner_l3_type;};}; uint8_t inner_l4_type;}' changed:
type size hasn't changed
3 data member changes (1 filtered):
'uint8_t inner_l4_type' offset changed from 0 to 24 (in bits) (by +24 bits)
'uint8_t l4_type' offset changed from 0 to 8 (in bits) (by +8 bits)
'uint8_t tun_type' offset changed from 4 to 12 (in bits) (by +8 bits)

Error: ABI issue reported for 'abidiff --suppr dpdk/devtools/libabigail.abignore --no-added-syms --headers-dir1 reference/include --headers-dir2 build_install/include reference/dump/librte_mbuf.dump build_install/dump/librte_mbuf.dump'

ABIDIFF_ABI_CHANGE, this change requires a review (abidiff flagged this as a potential issue).

Functions changes summary: 0 Removed, 0 Changed (2 filtered out), 0 Added functions
Variables changes summary: 0 Removed, 0 Changed, 0 Added variable

==== End log output ====

Ubuntu 20.04 ARM GCC Native
	Kernel: 5.4.0-53-generic
	Compiler: gcc 9.3

RHEL 7
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 4.8.5 20150623 (Red Hat 4.8.5-44)

RHEL8
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 8.3.1 20191121 (Red Hat 8.3.1-5)

openSUSE Leap 15
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 7.5.0

Fedora 34 clang
	Kernel: 5.4.0-72-generic
	Compiler: clang 12.0.0 (Fedora 12.0.0-0.3.rc1.fc34)

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/20996/

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