nxAugMatchNotifUpdateFlowStatsBuilder.setNxmNxTunIpv4Src(nxmNxTunIpv4SrcBuilder.build());
final Augmentation<Extension> extensionAugmentation = nxAugMatchNotifUpdateFlowStatsBuilder.build();
nxAugMatchNotifUpdateFlowStatsBuilder.setNxmNxTunIpv4Src(nxmNxTunIpv4SrcBuilder.build());
final Augmentation<Extension> extensionAugmentation = nxAugMatchNotifUpdateFlowStatsBuilder.build();