When reporting that a packet can't be written back, usually because

of a restrictive firewall rule, also report detail on the packet
that caused the failure.

MFC after:	3 days

1 files changed, 3 insertions, 2 deletions

diff --git a/sbin/natd/natd.c b/sbin/natd/natd.c
index a41d540..3f5ae0d 100644
--- a/sbin/natd/natd.c
+++ b/sbin/natd/natd.c
@@ -586,7 +586,7 @@ static void DoAliasing (int fd, int direction)
 static void FlushPacketBuffer (int fd)
 {
 	int			wrote;
-	char			msgBuf[80];
+	char			msgBuf[160];
 /*
  * Put packet back for processing.
  */
@@ -616,7 +616,8 @@ static void FlushPacketBuffer (int fd)
 		}
 		else {
 
-			sprintf (msgBuf, "failed to write packet back");
+			sprintf (msgBuf, "failed to write packet back (%s)",
+			    FormatPacket((struct ip*) packetBuf));
 			Warn (msgBuf);
 		}
 	}