hop_limit = ih6_0->ip6.hop_limit;
ip_version_traffic_class_and_flow_label =
ih6_0->ip6.ip_version_traffic_class_and_flow_label;
hop_limit = ih6_0->ip6.hop_limit;
ip_version_traffic_class_and_flow_label =
ih6_0->ip6.ip_version_traffic_class_and_flow_label;