nfs protocol version of SSVM

root@s-402-VM:~# nfsstat -c
Client rpc stats:
calls      retrans    authrefrsh
155510     0          155510

Client nfs v4:
null         read         write        commit       open         open_conf
0         0% 0         0% 0         0% 0         0% 0         0% 0         0%
open_noat    open_dgrd    close        setattr      fsinfo       renew
0         0% 0         0% 0         0% 0         0% 31102    22% 0         0%
setclntid    confirm      lock         lockt        locku        access
0         0% 0         0% 0         0% 0         0% 0         0% 15551    11%
getattr      lookup       lookup_root  remove       rename       link
15551    11% 0         0% 15551    11% 0         0% 0         0% 0         0%
symlink      create       pathconf     statfs       readlink     readdir
0         0% 0         0% 15551    11% 0         0% 0         0% 0         0%
server_caps  delegreturn  getacl       setacl       fs_locations rel_lkowner
46653    33% 0         0% 0         0% 0         0% 0         0% 0         0%
secinfo      exchange_id  create_ses   destroy_ses  sequence     get_lease_t
0         0% 0         0% 0         0% 0         0% 0         0% 0         0%
reclaim_comp layoutget    getdevinfo   layoutcommit layoutreturn getdevlist
0         0% 0         0% 0         0% 0         0% 0         0% 0         0%
(null)
0         0%