vlan:Minor Fixes

=>Get the dhcp value from the conf File for the vlan interface.
=>Assign the mac address of the parnt interface to vlan interface.
=>Create the ipv6 child ip objects once create the vlan interface.

Change-Id: I1d73fb18f9d300cbdcf94c73f06df2ea4a1d019b
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
diff --git a/network_manager.cpp b/network_manager.cpp
index 3916dfb..dd9a319 100644
--- a/network_manager.cpp
+++ b/network_manager.cpp
@@ -77,7 +77,7 @@
             uint32_t vlanInt = std::stoul(vlanid);
 
             interfaces[interface]->loadVLAN(vlanInt);
-            return;
+            continue;
         }
         // normal ethernet inetrface
         objPath /= intfInfo.first;