man: iptables-save: Add note about module autoloading

Using '-t' parameter in iptables-save might lead to kernel module
loading, just like with iptables itself. Copy the hint from iptables.8
to inform users.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/iptables/iptables-save.8.in b/iptables/iptables-save.8.in
index 51e11f3e7adca0d5550814b6979ea38d41f20907..29ef2829fb330c37e99796771dfc0f6bc82ab807 100644 (file)
--- a/iptables/iptables-save.8.in
+++ b/iptables/iptables-save.8.in
@@ -48,8 +48,11 @@ will log to STDOUT.
 include the current values of all packet and byte counters in the output
 .TP
 \fB\-t\fR, \fB\-\-table\fR \fItablename\fP
-restrict output to only one table. If not specified, output includes all
-available tables.
+restrict output to only one table. If the kernel is configured with automatic
+module loading, an attempt will be made to load the appropriate module for
+that table if it is not already there.
+.br
+If not specified, output includes all available tables.
 .SH BUGS
 None known as of iptables-1.2.1 release
 .SH AUTHORS