diff --git a/ethernet_interface.cpp b/ethernet_interface.cpp
index f293ef5..c00e4f4 100644
--- a/ethernet_interface.cpp
+++ b/ethernet_interface.cpp
@@ -71,7 +71,12 @@
     interfaceName(intfName);
     EthernetInterfaceIntf::dHCPEnabled(dhcpEnabled);
     EthernetInterfaceIntf::iPv6AcceptRA(getIPv6AcceptRAFromConf());
-    MacAddressIntf::mACAddress(getMACAddress(intfName));
+    // Don't get the mac address from the system as the mac address
+    // would be same as parent interface.
+    if (intfName.find(".") == std::string::npos)
+    {
+        MacAddressIntf::mACAddress(getMACAddress(intfName));
+    }
     EthernetInterfaceIntf::nTPServers(getNTPServersFromConf());
     EthernetInterfaceIntf::nameservers(getNameServerFromConf());
     InterfaceInfo ifInfo = EthernetInterface::getInterfaceInfo();