ref: da9f1ccc282a4bb09b3197e850f76c809f4fe7e6
dir: /sys/lib/rootbind/
bind `{pwd} /n/src9 if(test -x /n/src9/$cputype/bin/bind) bind /n/src9/$cputype/bin /bin bind -a /n/src9/rc/bin /bin bind /lib/ndb /n/src9/lib/ndb for(i in $objtype rc acme mail sys lib cron){bind -c /n/src9/$i /$i}