Difference found from rc0 to 1.0.

conf/lab2b/var/opt/opnfv/baremetalbrbm_brbm1_brbm2_brbm3_0.xml

@@ -51,7 +51,7 @@
     <interface type='network'>
       <mac address='00:c7:44:54:92:cd'/>
       <source network='brbm2'/>
-      <model type='rtl8139'/>
+      <model type='virtio'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
     </interface>
     <interface type='network'>

conf/lab2b/var/opt/opnfv/baremetalbrbm_brbm1_brbm2_brbm3_1.xml

@@ -51,7 +51,7 @@
     <interface type='network'>
       <mac address='00:b4:2a:d2:ea:fb'/>
       <source network='brbm2'/>
-      <model type='rtl8139'/>
+      <model type='virtio'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
     </interface>
     <interface type='network'>

conf/lab2b/var/opt/opnfv/baremetalbrbm_brbm1_brbm2_brbm3_2.xml

@@ -51,7 +51,7 @@
     <interface type='network'>
       <mac address='00:83:f1:8a:ec:fb'/>
       <source network='brbm2'/>
-      <model type='rtl8139'/>
+      <model type='virtio'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
     </interface>
     <interface type='network'>

conf/lab2b/var/opt/opnfv/baremetalbrbm_brbm1_brbm2_brbm3_3.xml

@@ -51,7 +51,7 @@
     <interface type='network'>
       <mac address='00:35:d4:9b:42:a2'/>
       <source network='brbm2'/>
-      <model type='rtl8139'/>
+      <model type='virtio'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
     </interface>
     <interface type='network'>

conf/lab2b/var/opt/opnfv/baremetalbrbm_brbm1_brbm2_brbm3_4.xml

@@ -51,7 +51,7 @@
     <interface type='network'>
       <mac address='00:5c:42:3b:9a:12'/>
       <source network='brbm2'/>
-      <model type='rtl8139'/>
+      <model type='virtio'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
     </interface>
     <interface type='network'>