Just something I found along the way, it's also possible to check the status of these objects and the connected gateways using cpstat vsec on the proper CMA. It will provide the following ouput:
# cpstat vsec
vSEC Controller Status: on
Number of disconnected Data Centers: 0
Number of Data Centers: 1
Number of imported Data Center objects: 1
Number of gateways enforcing Data Center objects: 1
Data Centers
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|Controller |Type|Status |Imported Objects|Controller updates|
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|DataCenterName|AWS |Connected| 1| 1953|
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Gateways Enforcing Data Center Objects
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|Name |IP |Version|Update status|
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|A_GATEWAY|10.x.x.x|R80.40 |Succeeded |
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