[3554] config examples updated: eth9 -> ethX

doc/examples/kea4/multiple-options.json

@@ -4,8 +4,8 @@
 { "Dhcp4":
 
 {
-# Kea is told to listen on eth9 interface only.
-  "interfaces": [ "eth9" ],
+# Kea is told to listen on ethX interface only.
+  "interfaces": [ "ethX" ],
 
 # We need to specify lease type. As of May 2014, three backends are supported:
 # memfile, mysql and pgsql. We'll just use memfile, because it doesn't require

doc/examples/kea4/several-subnets.json

@@ -5,8 +5,8 @@
 { "Dhcp4":
 
 {
-# Kea is told to listen on eth9 interface only.
-  "interfaces": [ "eth9" ],
+# Kea is told to listen on ethX interface only.
+  "interfaces": [ "ethX" ],
 
 # We need to specify lease type. As of May 2014, three backends are supported:
 # memfile, mysql and pgsql. We'll just use memfile, because it doesn't require

doc/examples/kea4/single-subnet.json

@@ -5,8 +5,8 @@
 { "Dhcp4":
 
 {
-# Kea is told to listen on eth9 interface only.
-  "interfaces": [ "eth9" ],
+# Kea is told to listen on ethX interface only.
+  "interfaces": [ "ethX" ],
 
 # We need to specify lease type. As of May 2014, three backends are supported:
 # memfile, mysql and pgsql. We'll just use memfile, because it doesn't require

doc/examples/kea6/advanced.json

@@ -10,8 +10,8 @@
 { "Dhcp6":
 
 {
-# Kea is told to listen on eth9 interface only.
-  "interfaces": [ "eth9" ],
+# Kea is told to listen on ethX network interface only.
+  "interfaces": [ "ethX" ],
 
 # We need to specify lease type. As of May 2014, three backends are supported:
 # memfile, mysql and pgsql. We'll just use memfile, because it doesn't require

doc/examples/kea6/multiple-options.json

@@ -4,8 +4,8 @@
 { "Dhcp6":
 
 {
-# Kea is told to listen on eth9 interface only.
-  "interfaces": [ "eth9" ],
+# Kea is told to listen on ethX interface only.
+  "interfaces": [ "ethX" ],
 
 # We need to specify lease type. As of May 2014, three backends are supported:
 # memfile, mysql and pgsql. We'll just use memfile, because it doesn't require

doc/examples/kea6/several-subnets.json

@@ -5,8 +5,8 @@
 { "Dhcp6":
 
 {
-# Kea is told to listen on eth9 interface only.
-  "interfaces": [ "eth9" ],
+# Kea is told to listen on ethX interface only.
+  "interfaces": [ "ethX" ],
 
 # We need to specify lease type. As of May 2014, three backends are supported:
 # memfile, mysql and pgsql. We'll just use memfile, because it doesn't require

doc/examples/kea6/simple.json

@@ -6,8 +6,8 @@
 { "Dhcp6":
 
 { 
-# Kea is told to listen on eth9 interface only.
-  "interfaces": [ "eth9" ],
+# Kea is told to listen on ethX interface only.
+  "interfaces": [ "ethX" ],
 
 # We need to specify lease type. As of May 2014, three backends are supported:
 # memfile, mysql and pgsql. We'll just use memfile, because it doesn't require