diff --git a/board/toradex/common/tdx-common.c b/board/toradex/common/tdx-common.c
index 1f3253f..9f09788 100644
--- a/board/toradex/common/tdx-common.c
+++ b/board/toradex/common/tdx-common.c
@@ -126,7 +126,6 @@
 
 	if (read_tdx_cfg_block()) {
 		printf("MISSING TORADEX CONFIG BLOCK\n");
-		get_mac_from_serial(tdx_serial, &tdx_eth_addr);
 
 		/* Board can run even if config block is not present */
 		return 0;
diff --git a/configs/apalis-imx8_defconfig b/configs/apalis-imx8_defconfig
index 982098d..da3b0e2 100644
--- a/configs/apalis-imx8_defconfig
+++ b/configs/apalis-imx8_defconfig
@@ -52,6 +52,7 @@
 CONFIG_SYS_MMC_ENV_PART=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=4096
 CONFIG_TFTP_TSIZE=y
diff --git a/configs/apalis-tk1_defconfig b/configs/apalis-tk1_defconfig
index 6ed3898..20c9c06 100644
--- a/configs/apalis-tk1_defconfig
+++ b/configs/apalis-tk1_defconfig
@@ -52,6 +52,7 @@
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_SYS_MMC_ENV_PART=1
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=16352
 CONFIG_TFTP_TSIZE=y
diff --git a/configs/apalis_imx6_defconfig b/configs/apalis_imx6_defconfig
index 05ff6fa..4925506 100644
--- a/configs/apalis_imx6_defconfig
+++ b/configs/apalis_imx6_defconfig
@@ -75,6 +75,7 @@
 CONFIG_SYS_MMC_ENV_PART=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=4096
 CONFIG_USE_IPADDR=y
diff --git a/configs/apalis_t30_defconfig b/configs/apalis_t30_defconfig
index 0a27509..03a1f2c 100644
--- a/configs/apalis_t30_defconfig
+++ b/configs/apalis_t30_defconfig
@@ -45,6 +45,7 @@
 CONFIG_ENV_OVERWRITE=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_SYS_MMC_ENV_PART=1
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=16352
 CONFIG_TFTP_TSIZE=y
diff --git a/configs/colibri-imx6ull-emmc_defconfig b/configs/colibri-imx6ull-emmc_defconfig
index 285fed9..2b04855 100644
--- a/configs/colibri-imx6ull-emmc_defconfig
+++ b/configs/colibri-imx6ull-emmc_defconfig
@@ -51,6 +51,7 @@
 CONFIG_SYS_MMC_ENV_PART=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=16352
 CONFIG_TFTP_TSIZE=y
diff --git a/configs/colibri-imx6ull_defconfig b/configs/colibri-imx6ull_defconfig
index a8a6330..959930c 100644
--- a/configs/colibri-imx6ull_defconfig
+++ b/configs/colibri-imx6ull_defconfig
@@ -60,6 +60,7 @@
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=16352
 CONFIG_TFTP_TSIZE=y
diff --git a/configs/colibri-imx8x_defconfig b/configs/colibri-imx8x_defconfig
index aa18d28..88928b0 100644
--- a/configs/colibri-imx8x_defconfig
+++ b/configs/colibri-imx8x_defconfig
@@ -52,6 +52,7 @@
 CONFIG_SYS_MMC_ENV_PART=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=4096
 CONFIG_TFTP_TSIZE=y
diff --git a/configs/colibri_imx6_defconfig b/configs/colibri_imx6_defconfig
index 70cb795..55c71a0 100644
--- a/configs/colibri_imx6_defconfig
+++ b/configs/colibri_imx6_defconfig
@@ -74,6 +74,7 @@
 CONFIG_SYS_MMC_ENV_PART=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=16352
 CONFIG_USE_IPADDR=y
diff --git a/configs/colibri_imx7_defconfig b/configs/colibri_imx7_defconfig
index d5c8604..58eb431 100644
--- a/configs/colibri_imx7_defconfig
+++ b/configs/colibri_imx7_defconfig
@@ -60,6 +60,7 @@
 CONFIG_ENV_RANGE=0x80000
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=16352
 CONFIG_USE_IPADDR=y
diff --git a/configs/colibri_imx7_emmc_defconfig b/configs/colibri_imx7_emmc_defconfig
index ae8406f..3382371 100644
--- a/configs/colibri_imx7_emmc_defconfig
+++ b/configs/colibri_imx7_emmc_defconfig
@@ -51,6 +51,7 @@
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_SYS_MMC_ENV_PART=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=16352
 CONFIG_USE_IPADDR=y
diff --git a/configs/colibri_t20_defconfig b/configs/colibri_t20_defconfig
index 3c506ff..3405e02 100644
--- a/configs/colibri_t20_defconfig
+++ b/configs/colibri_t20_defconfig
@@ -50,6 +50,7 @@
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=1536
 CONFIG_TFTP_TSIZE=y
diff --git a/configs/colibri_t30_defconfig b/configs/colibri_t30_defconfig
index c701203..394d656 100644
--- a/configs/colibri_t30_defconfig
+++ b/configs/colibri_t30_defconfig
@@ -43,6 +43,7 @@
 CONFIG_ENV_OVERWRITE=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_SYS_MMC_ENV_PART=1
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=16352
 CONFIG_TFTP_TSIZE=y
diff --git a/configs/colibri_vf_defconfig b/configs/colibri_vf_defconfig
index 3d1319c..891637d 100644
--- a/configs/colibri_vf_defconfig
+++ b/configs/colibri_vf_defconfig
@@ -66,6 +66,7 @@
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_USE_IPADDR=y
 CONFIG_IPADDR="192.168.10.2"
 CONFIG_USE_NETMASK=y
diff --git a/configs/verdin-am62_a53_defconfig b/configs/verdin-am62_a53_defconfig
index 956e3a1..63e7547 100644
--- a/configs/verdin-am62_a53_defconfig
+++ b/configs/verdin-am62_a53_defconfig
@@ -104,6 +104,7 @@
 CONFIG_USE_ETHPRIME=y
 CONFIG_ETHPRIME="eth0"
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=4096
 CONFIG_SPL_DM=y
diff --git a/configs/verdin-imx8mm_defconfig b/configs/verdin-imx8mm_defconfig
index 0c88982..4e00fb4 100644
--- a/configs/verdin-imx8mm_defconfig
+++ b/configs/verdin-imx8mm_defconfig
@@ -90,6 +90,7 @@
 CONFIG_USE_ETHPRIME=y
 CONFIG_ETHPRIME="eth0"
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=4096
 CONFIG_SPL_DM=y
diff --git a/configs/verdin-imx8mp_defconfig b/configs/verdin-imx8mp_defconfig
index 22b8a33..a95edff 100644
--- a/configs/verdin-imx8mp_defconfig
+++ b/configs/verdin-imx8mp_defconfig
@@ -99,6 +99,7 @@
 CONFIG_USE_ETHPRIME=y
 CONFIG_ETHPRIME="eth0"
 CONFIG_VERSION_VARIABLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=4096
 CONFIG_SPL_DM=y