Error: NO_EFFECT
ebtables-v2.0.9-2/extensions/ebt_nflog.c:83: unsigned_compare: This less-than-zero comparison of an unsigned value is never true. "i < 0U".
ebtables-v2.0.9-2/extensions/ebt_nflog.c:95: unsigned_compare: This less-than-zero comparison of an unsigned value is never true. "i < 0U".
ebtables-v2.0.9-2/extensions/ebt_nflog.c:107: unsigned_compare: This less-than-zero comparison of an unsigned value is never true. "i < 0U".

diff -up ebtables-v2.0.9-2/extensions/ebt_nflog.c.no_effect ebtables-v2.0.9-2/extensions/ebt_nflog.c
--- ebtables-v2.0.9-2/extensions/ebt_nflog.c.no_effect	2010-02-03 22:17:45.000000000 +0100
+++ ebtables-v2.0.9-2/extensions/ebt_nflog.c	2011-06-01 18:29:41.058691515 +0200
@@ -80,7 +80,7 @@ static int nflog_parse(int c, char **arg
 		i = strtoul(optarg, &end, 10);
 		if (*end != '\0')
 			ebt_print_error2("--nflog-group must be a number!");
-		if (i < 0)
+		if (i == ULONG_MAX)
 			ebt_print_error2("--nflog-group can not be negative");
 		info->group = i;
 		break;
@@ -92,7 +92,7 @@ static int nflog_parse(int c, char **arg
 		i = strtoul(optarg, &end, 10);
 		if (*end != '\0')
 			ebt_print_error2("--nflog-range must be a number!");
-		if (i < 0)
+		if (i == ULONG_MAX)
 			ebt_print_error2("--nflog-range can not be negative");
 		info->len = i;
 		break;
@@ -104,7 +104,7 @@ static int nflog_parse(int c, char **arg
 		i = strtoul(optarg, &end, 10);
 		if (*end != '\0')
 			ebt_print_error2("--nflog-threshold must be a number!");
-		if (i < 0)
+		if (i == ULONG_MAX)
 			ebt_print_error2
 			    ("--nflog-threshold can not be negative");
 		info->threshold = i;