The Nexus 9000v is subject to several limitations depending upon how it is installed and configured. Some of these limitations may be causing the lack of L3 connectivity you see in your topology. Take a look at the following documentation for these limitations and check out your topology against them.
As you further your troubleshooting procedures, you will hopefully identify the cause of the lack of L3 connectivity. If you have any more specific questions after going over this, please feel free to continue the conversation in this thread!