Use the following command: li@lideMacBook-Pro ~ % diskutil list | grep NGPC li@lideMacBook-Pro ~ % diskutil list | grep ngpc li@lideMacBook-Pro ~ % diskutil list | grep my_ngpc mount | grep my_ngpc ngpc://login on /Users/li/my_mnt (my_ngpc, noowners, noatime, fskit, mounted by li)

Use the following command: mount | grep my_ngpc ngpc://login on /Users/li/my_mnt (my_ngpc, noowners, noatime, fskit, mounted by li) li@lideMacBook-Pro ~ % diskutil list | grep NGPC li@lideMacBook-Pro ~ % diskutil list | grep ngpc li@lideMacBook-Pro ~ % diskutil list | grep my_ngpc

I have resubmitted the corrected log format; please take a look.