* sys/netinet6/nd6.c: have separate timer in each llinfo_nd6   (neighor cache); should allow timeout control in finer granurality.   ln->ln_expire is kept just for backward compat (i.e. ndp(8))
* sys/netinet6/nd6.c: have separate timer in each llinfo_nd6
  (neighor cache); should allow timeout control in finer granurality.
  ln->ln_expire is kept just for backward compat (i.e. ndp(8))

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame