diff --git a/build.gradle b/build.gradle
index 1556630..c676516 100644
--- a/build.gradle
+++ b/build.gradle
@@ -127,13 +127,14 @@ ospackage {
     os=LINUX
     arch=NOARCH
     version='1.1.3'
-    release='3'
+    release='4'
 
     into '/opt/paccor'
     user 'root'
     fileMode=0755
 
     requires('dmidecode', '3.2', GREATER | EQUAL)
+    requires('ethtool')
     requires('jq')
     requires('lshw')
     requires('vim-common')
diff --git a/scripts/allcomponents.sh b/scripts/allcomponents.sh
index aa45a3a..dae51ea 100755
--- a/scripts/allcomponents.sh
+++ b/scripts/allcomponents.sh
@@ -570,11 +570,12 @@ parseNicData () {
 
     for ((i = 0 ; i < numHandles ; i++ )); do
         manufacturer=$(lshwGetVendorIDFromBusItem "$i")
-    model=$(lshwGetProductIDFromBusItem "$i")
-    serialConstant=$(lshwGetSerialFromBusItem "$i")
+        model=$(lshwGetProductIDFromBusItem "$i")
+        serialConstant=$(lshwGetLogicalNameFromBusItem "$i")
+        serialConstant=$(ethtoolPermAddr "$serialConstant")
         serialConstant=$(standardizeMACAddr "${serialConstant}")
         serial=""
-    revision=$(lshwGetVersionFromBusItem "$i")
+        revision=$(lshwGetVersionFromBusItem "$i")
 
         if [[ -z "${manufacturer// }" ]] && [[ -z "${model// }" ]] && (! [[ -z "${serialConstant// }" ]] || ! [[ -z "${revision// }" ]]); then
             manufacturer=$(lshwGetVendorNameFromBusItem "$i")
@@ -644,9 +645,9 @@ parseHddData () {
 
     for ((i = 0 ; i < numHandles ; i++ )); do
         manufacturer=$(lshwGetVendorIDFromBusItem "$i")
-    model=$(lshwGetProductIDFromBusItem "$i")
-    serial=$(lshwGetSerialFromBusItem "$i")
-    revision=$(lshwGetVersionFromBusItem "$i")
+        model=$(lshwGetProductIDFromBusItem "$i")
+        serial=$(lshwGetSerialFromBusItem "$i")
+        revision=$(lshwGetVersionFromBusItem "$i")
 
         if [[ -z "${manufacturer// }" ]] && [[ -z "${model// }" ]] && (! [[ -z "${serial// }" ]] || ! [[ -z "${revision// }" ]]); then
             model=$(lshwGetProductNameFromBusItem "$i")
@@ -705,7 +706,7 @@ parseGfxData () {
 
         if [[ -z "${manufacturer// }" ]] && [[ -z "${model// }" ]] && (! [[ -z "${serial// }" ]] || ! [[ -z "${revision// }" ]]); then
             manufacturer=$(lshwGetVendorNameFromBusItem "$i")
-        model=$(lshwGetProductNameFromBusItem "$i")
+            model=$(lshwGetProductNameFromBusItem "$i")
         fi
 
     if [[ -z "${manufacturer// }" ]]; then
diff --git a/scripts/hw.sh b/scripts/hw.sh
index de0207d..537067a 100644
--- a/scripts/hw.sh
+++ b/scripts/hw.sh
@@ -56,7 +56,7 @@ lshwNumBusItems () {
 lshwGetVendorIDFromBusItem () {
     itemnumber="${1}"
     result=""
-    str=$(echo "${busitems[$itemnumber]}" | grep -e "^vendor:.*[^\[]\[.\+$" | sed 's/^vendor:.*[^\[]\[\([0-9A-Fa-f]\{4\}\)\]$/\1/')
+    str=$(echo "${busitems[$itemnumber]}" | grep -e "^vendor:.*[^\[]\[.\+$" | sed 's/^vendor:.*[^\[]\[\([0-9A-Fa-f]\+\)\]$/\1/')
     if [ -n "$str" ]; then
         result=$str
     fi
@@ -65,7 +65,7 @@ lshwGetVendorIDFromBusItem () {
 lshwGetProductIDFromBusItem () {
     itemnumber="${1}"
     result=""
-    str=$(echo "${busitems[$itemnumber]}" | grep -e "^product:.*[^\[]\[.\+$" | sed 's/^product:.*[^\[]\[[0-9A-Fa-f]\{4\}:\([0-9A-Fa-f]\{4\}\)\]$/\1/')
+    str=$(echo "${busitems[$itemnumber]}" | grep -e "^product:.*[^\[]\[.\+$" | sed 's/^product:.*[^\[]\[[0-9A-Fa-f]\+:\([0-9A-Fa-f]\+\)\]$/\1/')
     if [ -n "$str" ]; then
         result=$str
     fi
@@ -89,6 +89,15 @@ lshwGetSerialFromBusItem () {
     fi
     printf "$result"
 }
+lshwGetLogicalNameFromBusItem () {
+    itemnumber="${1}"
+    result=""
+    str=$(echo "${busitems[$itemnumber]}" | grep -e "^logical name:.*$" | sed 's/^logical name: \(.\+\)$/\1/')
+    if [ -n "$str" ]; then
+        result=$str
+    fi
+    printf "$result"
+}
 lshwGetVendorNameFromBusItem () {
     itemnumber="${1}"
     result=""
@@ -131,6 +140,12 @@ lshwBusItemWirelessCap () {
     fi
     printf "$result"
 }
+ethtoolPermAddr () {
+    iface="${1}"
+    result=""
+    str=$(ethtool -P "$iface" 2> /dev/null | grep -e "^Perm.*$" | sed 's/^Permanent address: \([0-9a-f:]\+\)$/\1/')
+    printf "$result"
+}
 #lshwParse "disk"
 #lshwNetwork
 #echo ${items[0]}
diff --git a/scripts/smbios.sh b/scripts/smbios.sh
index eba124f..a3e0e74 100644
--- a/scripts/smbios.sh
+++ b/scripts/smbios.sh
@@ -9,19 +9,23 @@ dmidecodeHandles () {
 }
 dmidecodeData () {
     handle="${1}"
-    str=$(dmidecode -H "$handle" -u | awk '/Header and Data:/{f=1;next} /Strings/{f=0} f' | tr "\n\r\t" ' ' | tr -s ' ' | sed -e 's/^[[:space:]]*//' | sed -e 's/[[:space:]]*$//')
-    old="$IFS"
-    IFS=' '
-    tableData=($str)
-    IFS="$old"
+    if  [[ $handle =~ ^0x[0-9A-Fa-f]+$ ]]; then
+        str=$(dmidecode -H "$handle" -u | awk '/Header and Data:/{f=1;next} /Strings/{f=0} f' | tr "\n\r\t" ' ' | tr -s ' ' | sed -e 's/^[[:space:]]*//' | sed -e 's/[[:space:]]*$//')
+        old="$IFS"
+        IFS=' '
+        tableData=($str)
+        IFS="$old"
+    fi
 }
 dmidecodeStrings () {
     handle="${1}"
-    str=$(dmidecode -H "$handle" -u | awk '/Strings/{f=1;next} /^\w+$/{f=0} f' | sed 's/^[^"]*$//g' | sed 's/^\w+//g' | sed '/^[[:space:]]*$/d')
-    old="$IFS"
-    IFS=$'\n'
-    tableStrings=($str)
-    IFS="$old"
+    if  [[ $handle =~ ^0x[0-9A-Fa-f]+$ ]]; then
+        str=$(dmidecode -H "$handle" -u | awk '/Strings/{f=1;next} /^\w+$/{f=0} f' | sed 's/^[^"]*$//g' | sed 's/^\w+//g' | sed '/^[[:space:]]*$/d')
+        old="$IFS"
+        IFS=$'\n'
+        tableStrings=($str)
+        IFS="$old"
+    fi
 }
 dmidecodeParseHandle () {
     handle="${1}"
@@ -44,11 +48,13 @@ dmidecodeGetByte () {
 dmidecodeGetString () {
     strref="${1}"
     str=""
-    strrefDec=$(printf "%d" "0x""$strref")
-    lenDec=$(printf "%d" "0x"${#tableStrings[@]})
-    if [ $strrefDec -le $lenDec ] && [ $strrefDec -gt 0 ]; then
-        str="${tableStrings[$strrefDec-1]}"
-        str=$(printf "$str" | sed 's/^[ \t]*"\?//;s/"\?[ \t]*$//')
+    if [[ $strref =~ ^[0-9A-Fa-f]+$ ]]; then
+        strrefDec=$(printf "%d" "0x""$strref")
+        lenDec=$(printf "%d" "0x"${#tableStrings[@]})
+        if [ $strrefDec -le $lenDec ] && [ $strrefDec -gt 0 ]; then
+            str="${tableStrings[$strrefDec-1]}"
+            str=$(printf "$str" | sed 's/^[ \t]*"\?//;s/"\?[ \t]*$//')
+        fi
     fi
     printf "$str"
 }