We have three HPE DL380s running the latest ESXi V5.7 U3 and need to upgrade to V7.0 U3.
We used the built in hardware compatability checker to see if the systesm are compatable as we think they should be.
We have two dual port cards and we get these results:

and

We get this for a compatability check against the latest V6.7 U3 which the servers are running AND V7.0 U3 we'd like to upgrade to.
The only difference we can see is that the compatable devices has an SSID of 22fc while the incompatible ones have an SSID of 0000.
Might this just be a reporting issue?