does not work correctly. Inhibits. Sites are not displayed correctly.

#  ipf -T list | grep  nat_table
nat_table_size	min 1	max 2147483647	current 2047
nat_table_max	min 1	max 2147483647	current 30000
nat_table_wm_low	min 1	max 99	current 90
nat_table_wm_high	min 2	max 100	current 99

#  ipf -T list | grep  tcp_timeout
tcp_timeout	min 1	max 2147483647	current 480
tcp_timeout	min 1	max 2147483647	current 480

#  ipf -T list | grep  tcp_close_wait
tcp_close_wait	min 1	max 2147483647	current 480
tcp_close_wait	min 1	max 2147483647	current 480


 #  ipf -T list | grep  tcp_idle_timeout
tcp_idle_timeout	min 1	max 2147483647	current 864000
tcp_idle_timeout	min 1	max 2147483647	current 864000

# ipnat -s
0	proxy create fail in
0	proxy fail in
74791	bad nat in
74793	bad nat new in
0	bad next addr in
1207795	bucket max in
0	clone nomem in
0	decap bad in
0	decap fail in
0	decap pullup in
0	divert dup in
0	divert exist in
74791	drop in
0	exhausted in
0	icmp address in
0	icmp basic in
198100	inuse in
0	icmp mbuf wrong size in
224085	icmp header unmatched in
0	icmp rebuild failures in
0	icmp short in
0	icmp packet size wrong in
0	IFP address fetch failures in
100436428	packets untranslated in
0	NAT insert failures in
4685309	NAT lookup misses in
99451835	NAT lookup nowild in
0	new ifpaddr failed in
0	memory requests failed in
0	table max reached in
101083098	packets translated in
74224	finalised failed in
0	search wraps in
0	null translations in
569	translation exists in
0	no memory in
8%	hash efficiency in
99.22%	bucket usage in
0	minimal length in
22	maximal length in
12.115	average length in
0	proxy create fail out
0	proxy fail out
593230	bad nat out
1283213	bad nat new out
0	bad next addr out
148812	bucket max out
0	clone nomem out
0	decap bad out
0	decap fail out
0	decap pullup out
0	divert dup out
0	divert exist out
593230	drop out
830	exhausted out
0	icmp address out
0	icmp basic out
199870	inuse out
0	icmp mbuf wrong size out
130769	icmp header unmatched out
0	icmp rebuild failures out
0	icmp short out
0	icmp packet size wrong out
0	IFP address fetch failures out
129287437	packets untranslated out
0	NAT insert failures out
4541553	NAT lookup misses out
130592534	NAT lookup nowild out
0	new ifpaddr failed out
0	memory requests failed out
0	table max reached out
73443710	packets translated out
1282383	finalised failed out
0	search wraps out
0	null translations out
0	translation exists out
0	no memory out
8%	hash efficiency out
98.83%	bucket usage out
0	minimal length out
22	maximal length out
11.957	average length out
0	log successes
0	log failures
108217	added in
1828100	added out
4783	active
0	transparent adds
0	divert build
1899631	expired
0	flush all
0	flush closing
0	flush queue
0	flush state
0	flush timeout
1307682	hostmap new
0	hostmap fails
1811210	hostmap add
0	hostmap NULL rule
0	log ok
0	log fail
0	orphan count
82	rule count
8	map rules
74	rdr rules
0	wilds

2   how to increase the parameter?     
 nat_table_max	min 1	max 2147483647	current 30000

sysctl  net.inet.ipf.ipf_nattable_sz=32765
net.inet.ipf.ipf_nattable_sz: 2047
sysctl: net.inet.ipf.ipf_nattable_sz=32765: Device busy