ND6_LLINFO_INCOMPLETE
ln->ln_state = ND6_LLINFO_INCOMPLETE;
} else if (ln->ln_state == ND6_LLINFO_INCOMPLETE) {
if (ln->ln_state > ND6_LLINFO_INCOMPLETE) {
ln->ln_state = ND6_LLINFO_INCOMPLETE;
case ND6_LLINFO_INCOMPLETE:
#define ND6_IS_LLINFO_PROBREACH(n) ((n)->ln_state > ND6_LLINFO_INCOMPLETE)
if (ln->ln_state <= ND6_LLINFO_INCOMPLETE) {
case ND6_LLINFO_INCOMPLETE: