a->instance = ntohl (mp->tunnel.instance);
a->session_id = ntohs (mp->tunnel.session_id);
a->outer_table_id = ntohl (mp->tunnel.outer_table_id);
a->instance = ntohl (mp->tunnel.instance);
a->session_id = ntohs (mp->tunnel.session_id);
a->outer_table_id = ntohl (mp->tunnel.outer_table_id);