icmp6_data16
#define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0]
#define mld_reserved mld_icmp6_hdr.icmp6_data16[1]
#define mld_v2_reserved mld_icmp6_hdr.icmp6_data16[0]
#define mld_v2_numrecs mld_icmp6_hdr.icmp6_data16[1]
#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
#define icmp6_id icmp6_data16[0] /* echo request/reply */
#define icmp6_seq icmp6_data16[1] /* echo request/reply */
#define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */