vfs.generic.nfs.client.

access_delete: 1
access_dotzfs: 1
access_for_getattr: 0
access_cache_timeout: 60
allow_async: 0
callback_port: 0
debug_ctl: 0
idmap_ctrl: 1
is_mobile: 1
initialdowndelay: 12
iosize: 1048576
lockd_mounts: 0
max_async_writes: 128
nextdowndelay: 30
nfsiod_thread_max: 16
nfsiod_thread_count: 0
readlink_nocache: 0
root_steals_gss_context: 1
single_des: 0
squishy_flags: 11
statfs_rate_limit: 10

All in this group a prefixed with

vfs.generic.nfs.server

async: 0
fsevents: 1
export_hash_size: 64
gss_context_ttl: 28800
nfsd_thread_max: 0
nfsd_thread_count: 0
nfsd_sock_idle_timeout: 3600
nfsd_tcp_connections: 0
reqcache_size: 64
require_resv_port: 0
request_queue_length: 128
use_upcall_svc: 1
user_stats: 1
upcall_queue_limit: 0
upcall_queue_max_seen: 0
upcall_queue_count: 0
wg_delay: 1000
wg_delay_v3: 0

vfs.generic.sync_timeout: 60
vfs.generic.jnl.kdebug.trim: 0
vfs.generic.root_unmounted_cleanly: 1
vfs.generic.always_do_fullfsync: 0
vfs.generic.hfs.kdebug.allocation: 0
vfs.nummntops: 19
vfs.generic.maxtypenum: 23