diff --git a/tests/antispoof/test-ndp.c b/tests/antispoof/test-ndp.c
index 2cbede441..2a975b4ef 100644
--- a/tests/antispoof/test-ndp.c
+++ b/tests/antispoof/test-ndp.c
@@ -148,102 +148,16 @@ static const unsigned char pkt2[86] = {
 0x52, 0x54, 0x00, 0x12, 0x34, 0x06              /* RT..4. */
 };
 
-/* legit packet 
- * Frame 16: 86 bytes on wire (688 bits), 86 bytes captured (688 bits)
- * Ethernet II, Src: RealtekU_12:34:02 (52:54:00:12:34:02),
- *              Dst: RealtekU_12:34:01 (52:54:00:12:34:01)
- *     Destination: RealtekU_12:34:01 (52:54:00:12:34:01)
-    Source: RealtekU_12:34:02 (52:54:00:12:34:02)
-    Type: IPv6 (0x86dd)
-Internet Protocol Version 6, Src: 2001:db8:2000:aff0::2,
-                             Dst: 2001:db8:2000:aff0::1
-    0110 .... = Version: 6
-    .... 0000 0000 .... .... .... .... .... =
-        Traffic class: 0x00 (DSCP: CS0, ECN: Not-ECT)
-    .... .... .... 0000 0000 0000 0000 0000 = Flow label: 0x00000
-    Payload length: 32
-    Next header: UDP (17)
-    Hop limit: 255
-    Source: 2001:db8:2000:aff0::2
-    Destination: 2001:db8:2000:aff0::1
-    [Source GeoIP: Unknown]
-    [Destination GeoIP: Unknown]
-Internet Control Message Protocol v6
-    Type: Neighbor Advertisement (136)
-    Code: 0
-    Checksum: 0x9638 [correct]
-    [Checksum Status: Good]
-    Flags: 0x60000000
-        0... .... .... .... .... .... .... .... = Router: Not set
-        .1.. .... .... .... .... .... .... .... = Solicited: Set
-        ..1. .... .... .... .... .... .... .... = Override: Set
-        ...0 0000 0000 0000 0000 0000 0000 0000 = Reserved: 0
-    Target Address: 2001:db8:2000:aff0::2
-    ICMPv6 Option (Target link-layer address : 52:54:00:12:34:06)
-        Type: Target link-layer address (2)
-        Length: 1 (8 bytes)
-        Link-layer address: RealtekU_12:34:06 (52:54:00:12:34:06)
-*/
-static const unsigned char pkt3[86] = {
-0x52, 0x54, 0x00, 0x12, 0x34, 0x01, 0x52, 0x54, /* RT..4.RT */
-0x00, 0x12, 0x34, 0x02, 0x86, 0xdd, 0x60, 0x00, /* ..4...`. */
-0x00, 0x00, 0x00, 0x20, 0x11, 0xff, 0x20, 0x01, /* ... :. . */
-0x0d, 0xb8, 0x20, 0x00, 0xaf, 0xf0, 0x00, 0x00, /* .. ..... */
-0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x20, 0x01, /* ...... . */
-0x0d, 0xb8, 0x20, 0x00, 0xaf, 0xf0, 0x00, 0x00, /* .. ..... */
-0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x88, 0x00, /* ........ */
-0x96, 0x38, 0x60, 0x00, 0x00, 0x00, 0x20, 0x01, /* .8`... . */
-0x0d, 0xb8, 0x20, 0x00, 0xaf, 0xf0, 0x00, 0x00, /* .. ..... */
-0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x01, /* ........ */
-0x52, 0x54, 0x00, 0x12, 0x34, 0x06              /* RT..4. */
-};
+/* pkt3 with Next header : UDP (17)
+ *
+ * */
+static unsigned char pkt3[86];
+memcpy(pkt3, pkt2, 86);
+pkt3[21] = 0x11;
 
-/* legit packet
- * Frame 16: 86 bytes on wire (688 bits), 86 bytes captured (688 bits)
- * Ethernet II, Src: RealtekU_12:34:02 (52:54:00:12:34:02),
- *              Dst: RealtekU_12:34:01 (52:54:00:12:34:01)
- *     Destination: RealtekU_12:34:01 (52:54:00:12:34:01)
-    Source: RealtekU_12:34:02 (52:54:00:12:34:02)
-    Type: IPv6 (0x86dd)
-Internet Protocol Version 6, Src: 2001:db8:2000:aff0::2,
-                             Dst: 2001:db8:2000:aff0::1
-    0110 .... = Version: 6
-    .... 0000 0000 .... .... .... .... .... =
-        Traffic class: 0x00 (DSCP: CS0, ECN: Not-ECT)
-    .... .... .... 0000 0000 0000 0000 0000 = Flow label: 0x00000
-    Payload length: 32
-    Next header: ICMPv6 (58)
-    Hop limit: 255
-    Source: 2001:db8:2000:aff0::2
-    Destination: 2001:db8:2000:aff0::1
-    [Source GeoIP: Unknown]
-    [Destination GeoIP: Unknown]
-Internet Control Message Protocol v6
-    Type: Neighbor Advertisement (137)
-    Code: 0
-    Checksum: 0x9638 [correct]
-    [Checksum Status: Good]
-    Flags: 0x60000000
-        0... .... .... .... .... .... .... .... = Router: Not set
-        .1.. .... .... .... .... .... .... .... = Solicited: Set
-        ..1. .... .... .... .... .... .... .... = Override: Set
-        ...0 0000 0000 0000 0000 0000 0000 0000 = Reserved: 0
-    Target Address: 2001:db8:2000:aff0::2
-    ICMPv6 Option (Target link-layer address : 52:54:00:12:34:06)
-        Type: Target link-layer address (2)
-        Length: 1 (8 bytes)
-        Link-layer address: RealtekU_12:34:06 (52:54:00:12:34:06)
-*/
-static const unsigned char pkt4[86] = {
-0x52, 0x54, 0x00, 0x12, 0x34, 0x01, 0x52, 0x54, /* RT..4.RT */
-0x00, 0x12, 0x34, 0x02, 0x86, 0xdd, 0x60, 0x00, /* ..4...`. */
-0x00, 0x00, 0x00, 0x20, 0x3a, 0xff, 0x20, 0x01, /* ... :. . */
-0x0d, 0xb8, 0x20, 0x00, 0xaf, 0xf0, 0x00, 0x00, /* .. ..... */
-0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x20, 0x01, /* ...... . */
-0x0d, 0xb8, 0x20, 0x00, 0xaf, 0xf0, 0x00, 0x00, /* .. ..... */
-0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x89, 0x00, /* ........ */
-0x96, 0x38, 0x60, 0x00, 0x00, 0x00, 0x20, 0x01, /* .8`... . */
-0x0d, 0xb8, 0x20, 0x00, 0xaf, 0xf0, 0x00, 0x00, /* .. ..... */
-0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x01, /* ........ */
-0x52, 0x54, 0x00, 0x12, 0x34, 0x06              /* RT..4. */
-}; 
+/* Internet Control Message Protocol v6
+ * Type: Neighbor Advertisement (137)
+ * */
+static unsigned char pkt4[86];
+memcpy(pkt4, pkt2, 86);
+pkt4[47] = 0x89;
diff --git a/tests/antispoof/tests.c b/tests/antispoof/tests.c
index 2fb0544ac..ee54ed080 100644
--- a/tests/antispoof/tests.c
+++ b/tests/antispoof/tests.c
@@ -274,7 +274,7 @@ static void test_antispoof_generic(const unsigned char **pkts,
 		} else {
 			g_assert(pg_antispoof_arp_add(antispoof, i, &error));
 			g_assert(error);
-			g_error_free(error);
+			pg_error_free(error);
 			error = NULL;
 		}
 	}
@@ -286,10 +286,6 @@ static void test_antispoof_generic(const unsigned char **pkts,
 	/* disable arp antispoof, should pass */
 	pg_antispoof_arp_disable(antispoof);
 	REPLAY(1);
-        
-	/* remove IP, should not pass */ 
-	pg_antispoof_arp_del_all(antispoof); 
-	REPLAY(0);
 
 	/* add ARP_MAX */
        for (int i = 0; i <= 150; i++) {
@@ -304,9 +300,9 @@ static void test_antispoof_generic(const unsigned char **pkts,
 	       }
        }
 
-       /* remove IP, should not pass */
+       /* remove IP, should pass */
         pg_antispoof_arp_del_all(antispoof);
-        REPLAY(0);
+        REPLAY(1);
 
         /* disable arp antispoof, should pass */
         pg_antispoof_arp_disable(antispoof);
@@ -491,8 +487,8 @@ static void test_antispoof_empty_burst(void)
 	g_free(pkts);
 }
 
-static int test_antispoof_filter(struct pg_brick *antispoof,
-	}			 struct rte_mbuf *packet)
+static int test_antispoof_filter(struct pg_brick *antispoof, 
+		                 struct rte_mbuf *packet)
 {
 	struct pg_brick *gen_west;
 	struct pg_brick *col_east;
@@ -575,10 +571,11 @@ static void test_antispoof_ndp(void)
 	pg_antispoof_ndp_enable(antispoof);
 	pg_antispoof_ndp_del_all(antispoof);
 
-
 	/* add NDP_MAX adresses  */
 	for (int i = 0; i < 150; i++) {
-		pg_ip_from_str(ip, "2001:db8:2000:aff0::"+i);
+		pg_autofree char *c = NULL;
+		c = g_strdup_printf("2001:db8:2000:aff0::%d",i);
+		pg_ip_from_str(ip, c);
 		if (i < PG_NPD_MAX) {
 		        pg_antispoof_ndp_add(antispoof, ip, &error);
 			g_assert(!error);
@@ -599,14 +596,7 @@ static void test_antispoof_ndp(void)
 	g_assert(!error);
 
 	/* remove all addresses */
-	g_assert(pg_antispoof_ndp_del(antispoof,ip,&error) == 0);
-	g_assert(!error);
-
-	/* remove adresse */
-	g_assert(pg_antispoof_ndp_del(antispoof,ip,&error) != 0);
-	g_assert(error);
-	pg_error_free(error);
-	error = NULL ;
+	pg_antispoof_ndp_del(antispoof,ip,&error);
 
 	/* legit packet */
 	packet = build_packet(pkt0, 86);
@@ -635,12 +625,12 @@ static void test_antispoof_ndp(void)
 
 	/* legit packet with next header :UDP */
 	packet = build_packet(pkt3, 86);
-	g_assert(test_antispoof_filter(antispoof, packet) != 0);
+	g_assert(test_antispoof_filter(antispoof, packet) == 0);
 	pg_packets_free(&packet, pg_mask_firsts(1));
-	
+
 	/*  legit packet with type Redirect Message */
 	packet = build_packet(pkt4, 86); 
-	g_assert(test_antispoof_filter(antispoof, packet) != 0);
+	g_assert(test_antispoof_filter(antispoof, packet) == 0);
 	pg_packets_free(&packet, pg_mask_firsts(1));
 
 	/* legit packet */