diff --git a/examples/dpdk_qat/main.c b/examples/dpdk_qat/main.c
index 59a97bc..127ee40 100644
--- a/examples/dpdk_qat/main.c
+++ b/examples/dpdk_qat/main.c
@@ -592,13 +592,9 @@ parse_args(int argc, char **argv)
 static void
 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 {
-	printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
-		eth_addr->addr_bytes[0],
-		eth_addr->addr_bytes[1],
-		eth_addr->addr_bytes[2],
-		eth_addr->addr_bytes[3],
-		eth_addr->addr_bytes[4],
-		eth_addr->addr_bytes[5]);
+	char buf[ETHER_ADDR_FMT_SIZE];
+	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
 }
 
 static int
diff --git a/examples/ip_fragmentation/main.c b/examples/ip_fragmentation/main.c
index 65c4cf6..0ad8fca 100644
--- a/examples/ip_fragmentation/main.c
+++ b/examples/ip_fragmentation/main.c
@@ -600,13 +600,9 @@ parse_args(int argc, char **argv)
 static void
 print_ethaddr(const char *name, struct ether_addr *eth_addr)
 {
-	printf("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
-	       eth_addr->addr_bytes[0],
-	       eth_addr->addr_bytes[1],
-	       eth_addr->addr_bytes[2],
-	       eth_addr->addr_bytes[3],
-	       eth_addr->addr_bytes[4],
-	       eth_addr->addr_bytes[5]);
+	char buf[ETHER_ADDR_FMT_SIZE];
+	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
 }
 
 /* Check the link status of all ports in up to 9s, and print them finally */
diff --git a/examples/ip_reassembly/main.c b/examples/ip_reassembly/main.c
index 0d92b3c..39d60ec 100644
--- a/examples/ip_reassembly/main.c
+++ b/examples/ip_reassembly/main.c
@@ -729,13 +729,9 @@ parse_args(int argc, char **argv)
 static void
 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 {
-	printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
-		eth_addr->addr_bytes[0],
-		eth_addr->addr_bytes[1],
-		eth_addr->addr_bytes[2],
-		eth_addr->addr_bytes[3],
-		eth_addr->addr_bytes[4],
-		eth_addr->addr_bytes[5]);
+	char buf[ETHER_ADDR_FMT_SIZE];
+	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
 }
 
 /* Check the link status of all ports in up to 9s, and print them finally */
diff --git a/examples/ipv4_multicast/main.c b/examples/ipv4_multicast/main.c
index de5e6be..590d11a 100644
--- a/examples/ipv4_multicast/main.c
+++ b/examples/ipv4_multicast/main.c
@@ -586,13 +586,9 @@ parse_args(int argc, char **argv)
 static void
 print_ethaddr(const char *name, struct ether_addr *eth_addr)
 {
-	printf("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
-	       eth_addr->addr_bytes[0],
-	       eth_addr->addr_bytes[1],
-	       eth_addr->addr_bytes[2],
-	       eth_addr->addr_bytes[3],
-	       eth_addr->addr_bytes[4],
-	       eth_addr->addr_bytes[5]);
+	char buf[ETHER_ADDR_FMT_SIZE];
+	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
 }
 
 static int
diff --git a/examples/l3fwd-acl/main.c b/examples/l3fwd-acl/main.c
index e31a7d7..f12e5bb 100644
--- a/examples/l3fwd-acl/main.c
+++ b/examples/l3fwd-acl/main.c
@@ -1820,13 +1820,9 @@ parse_args(int argc, char **argv)
 static void
 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 {
-	printf("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
-		eth_addr->addr_bytes[0],
-		eth_addr->addr_bytes[1],
-		eth_addr->addr_bytes[2],
-		eth_addr->addr_bytes[3],
-		eth_addr->addr_bytes[4],
-		eth_addr->addr_bytes[5]);
+	char buf[ETHER_ADDR_FMT_SIZE];
+	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
 }
 
 static int
diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
index 12e4fd6..76a512b 100644
--- a/examples/l3fwd-power/main.c
+++ b/examples/l3fwd-power/main.c
@@ -1240,13 +1240,9 @@ parse_args(int argc, char **argv)
 static void
 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 {
-	printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
-		eth_addr->addr_bytes[0],
-		eth_addr->addr_bytes[1],
-		eth_addr->addr_bytes[2],
-		eth_addr->addr_bytes[3],
-		eth_addr->addr_bytes[4],
-		eth_addr->addr_bytes[5]);
+	char buf[ETHER_ADDR_FMT_SIZE];
+	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
 }
 
 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
diff --git a/examples/l3fwd-vf/main.c b/examples/l3fwd-vf/main.c
index 0288d99..b560b7d 100644
--- a/examples/l3fwd-vf/main.c
+++ b/examples/l3fwd-vf/main.c
@@ -826,13 +826,9 @@ parse_args(int argc, char **argv)
 static void
 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 {
-	printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
-		eth_addr->addr_bytes[0],
-		eth_addr->addr_bytes[1],
-		eth_addr->addr_bytes[2],
-		eth_addr->addr_bytes[3],
-		eth_addr->addr_bytes[4],
-		eth_addr->addr_bytes[5]);
+	char buf[ETHER_ADDR_FMT_SIZE];
+	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
 }
 
 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
index 181d682..46ac68e 100644
--- a/examples/l3fwd/main.c
+++ b/examples/l3fwd/main.c
@@ -1976,13 +1976,9 @@ parse_args(int argc, char **argv)
 static void
 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 {
-	printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
-		eth_addr->addr_bytes[0],
-		eth_addr->addr_bytes[1],
-		eth_addr->addr_bytes[2],
-		eth_addr->addr_bytes[3],
-		eth_addr->addr_bytes[4],
-		eth_addr->addr_bytes[5]);
+	char buf[ETHER_ADDR_FMT_SIZE];
+	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
 }
 
 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
