man: describe --bpf option of ss
This option has been recently added to ss utility.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
diff --git a/man/man8/ss.8 b/man/man8/ss.8
index f03c6d8..7e8d8e8 100644
--- a/man/man8/ss.8
+++ b/man/man8/ss.8
@@ -57,6 +57,9 @@
summary from various sources. It is useful when amount of sockets is so huge
that parsing /proc/net/tcp is painful.
.TP
+.B \-b, \-\-bpf
+Show socket BPF filters (only administrators are allowed to get these information).
+.TP
.B \-4, \-\-ipv4
Display only IP version 4 sockets (alias for -f inet).
.TP
