Cause
CA Spectrum Release R10.2.3 and higher will cover "format" error which is not visible when Report is displayed - but becomes visible at native data when exporting them.
Sample export data showing this issue - here i.e. when report is saved as native CSV/data:
(find "Yes" results as duplicates / "No" results as single line entry)
LIEJO02.cai.com_38,,,,,tunnel,,,,Disabled,,5,,Yes,,
,,,,,,,,,,,,,,Yes,
LIEJO02.cai.com_Dual Band Wireless-AC 7260,,Dual Band Wireless-AC 7260,,,ieee80211,,,300.0Mbps,Not In Use,,6,,Yes,,
,,,,,,,,,,,,,,Yes,
LIEJO02.cai.com_Ethernet Connection I217-LM,,Ethernet Connection I217-LM,,,ethernet,,,1.0Gbps,In Use,,0,,No,,
LIEJO02.cai.com_Microsoft WiFi Miniport Adapter,,Microsoft WiFi Miniport Adapter,,,ieee80211,,,300.0Mbps,Not In Use,,6,,Yes,,
,,,,,,,,,,,,,,Yes,
LIEJO02.cai.com_VirtualBox Ethernet Adapter,,VirtualBox Ethernet Adapter,,,ethernet,,,100.0Mbps,In Use,,5,,Yes,,
,,,,,,,,,,,,,,Yes,
So - you directly see the line-duplicates (here the ,,,,,,,,,,,,,,Yes, ).