In a non-global zone, you can use the modinfo command described in the modinfo(1M) man page to examine the list of loaded kernel modules.
Most operations concerning kernel, device, and platform management will not work inside a non-global zone because modifying platform hardware configurations violates the zone security model. These operations include the following:
Adding and removing drivers
Explicitly loading and unloading kernel modules
Initiating dynamic reconfiguration (DR) operations
Using facilities that affect the state of the physical platform