do the below steps to see the corresponding driver is loaded in to the VMkernel
1, esxcfg-module -l | grep <module name> or simply esxcfg-module -l
you can see from the output, if the driver module is loaded or not
2, esxcfg-module -q
Query the system for the modules to load at boot. this will show the corresponding driver is configured to load during the boot of VMkernel
3, vmkload_mod --showinfo <module name> this will give more details of the driver module
4, once you find the driver module is not loaded, you can manually load to the kernel
esxcfg-module -e <module name>
Enable the given module, indicating that it should load at boot time.
Check above these