I can't seem to find a command for this, only configuration commands are listed in the documentation and show ipv6 nd destination does not work on my system
This is on Cisco vIOS 15.2
Edit: rfc2461-Regardless of the specific implementation, it is critical that the Neighbor Cache entry for a router is shared by all Destination Cache entries using that router in order to prevent redundant Neighbor Unreachability Detection probes. "