ref: 1bd4909c0869a82831aa8597cdf4e91e99547b5d
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}