sync with reality

sbin/brconfig/brconfig.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: brconfig.8,v 1.18 2015/01/05 00:36:23 msaitoh Exp $
+.\"	$NetBSD: brconfig.8,v 1.19 2020/07/19 14:39:42 maxv Exp $
 .\"
 .\" Copyright 2001 Wasabi Systems, Inc.
 .\" All rights reserved.
@@ -33,7 +33,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd January 5, 2015
+.Dd July 19, 2020
 .Dt BRCONFIG 8
 .Os
 .Sh NAME
@@ -152,9 +152,7 @@ The current implementation passes
 all ARP and RARP packets through the bridge
 while filtering IP and IPv6 packets through the configured packet
 filter, such as
-.Xr ipf 4
-or
-.Xr pf 4 .
+.Xr npf 7 .
 Other packet types are blocked.
 .It Cm learn Ar interface
 Mark an interface as a
@@ -259,7 +257,7 @@ create
 .Xr pf 4 ,
 .Xr ifconfig.if 5 ,
 .Xr ifconfig 8 ,
-.Xr ipf 8 ,
+.Xr npf 7 ,
 .Xr pfil 9
 .Sh HISTORY
 The