ND6_QUEUE_FLAG_LLADDR
nd6_grand_start(ifa, ND6_QUEUE_FLAG_LLADDR);
#define ND6_QUEUE_GRAND_MASK (ND6_QUEUE_FLAG_NEWGUA|ND6_QUEUE_FLAG_LLADDR)
if ((ndq->ndq_flags & ND6_QUEUE_FLAG_LLADDR) != 0)
if ((flags & ND6_QUEUE_FLAG_LLADDR) != 0)