diff --git a/plugins/dynamix/EthX.page b/plugins/dynamix/EthX.page
index 7c326c5f0..add4d734e 100644
--- a/plugins/dynamix/EthX.page
+++ b/plugins/dynamix/EthX.page
@@ -16,7 +16,7 @@ Png="ethernet.png"
 ?>
 <?
 // get interface configuration state
-$down = strlen(exec("ip link show ethX|grep -om1 ',UP[,>]'"))==0;
+$down = empty($ethX) || strlen(exec("ip link show ethX|grep -om1 ',UP[,>]'"))==0;
 
 // get VLAN interfaces
 $vlan_ethX = [0];
diff --git a/plugins/dynamix/include/update.ethernet.php b/plugins/dynamix/include/update.ethernet.php
index 0c2439b07..4ea55919f 100644
--- a/plugins/dynamix/include/update.ethernet.php
+++ b/plugins/dynamix/include/update.ethernet.php
@@ -11,5 +11,15 @@
  */
 ?>
 <?
-if ($_POST['#arg'][1] != 'none') unset($keys[$_POST['#section']]); // do nothing when only description has changed
+if ($_POST['#arg'][1] != 'none') {
+  if ($_POST['BONDING']=='yes') {
+    $nics = explode(',',str_replace('eth0','',$_POST['BONDNICS']));
+    foreach ($nics as $nic) if ($nic) unset($keys[$nic]);
+  }
+  if ($_POST['BRIDGING']=='yes') {
+    $nics = explode(',',str_replace('eth0','',$_POST['BRNICS']));
+    foreach ($nics as $nic) if ($nic) unset($keys[$nic]);
+  }
+  unset($keys[$_POST['#section']]);
+}
 ?>
\ No newline at end of file