diff --git a/containers/vrouter/base/agent-functions.sh b/containers/vrouter/base/agent-functions.sh
index f71c87fba..08a663079 100644
--- a/containers/vrouter/base/agent-functions.sh
+++ b/containers/vrouter/base/agent-functions.sh
@@ -181,9 +181,10 @@ function get_physical_nic_and_mac()
 }
 
 # Find the overlay interface on a ContrailVM
-# ContrailVM is spawned with nic ens160, which is the primary interface
+# ContrailVM is spawned with nic ens160, which is the primary/mgmt interface
 # Secondary nics (like ens192, ens224) are added during provisioning
-# The overlay interface will have name ens* and not have inet* configured
+# The overlay interface will have name ens*, be of type vmxnet3
+# and not  have inet address configured
 # This function uses this logic to find the overlay interface and
 # return as vmware_physical_interface.
 function get_vmware_physical_iface() {
@@ -192,11 +193,16 @@ function get_vmware_physical_iface() {
     local iface_list=`ip -o link show | awk -F': ' '{print $2}'`
     iface_list=`echo "$iface_list" | grep ens`
     for iface in $iface_list; do
-        ip addr show dev $iface | grep 'inet ' > /dev/null 2>&1
-        if [[ $? == 0 ]]; then
-            continue;
+        local intf_type=`ethtool -i $iface | grep driver | cut -f 2 -d ' '`
+        if [[ $intf_type != "vmxnet3" ]]; then
+             continue;
         else
-            vmware_int=$iface
+             ip addr show dev $iface | grep 'inet ' > /dev/null 2>&1
+             if [[ $? == 0 ]]; then
+                  continue;
+             else
+                  vmware_int=$iface
+             fi
         fi
     done
     if [[ "$vmware_int" == '' ]]; then