import java.util.List;
import javax.inject.Inject;
import javax.inject.Singleton;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.genius.mdsalutil.NwConstants;
+import org.opendaylight.mdsal.binding.api.DataBroker;
import org.opendaylight.netvirt.natservice.internal.NatConstants;
import org.opendaylight.netvirt.natservice.internal.NatUtil;
import org.opendaylight.netvirt.neutronvpn.interfaces.INeutronVpnManager;