ref: 0277a23a012e072453a7889926c94b2af5c88f91
dir: /lib/namespace.httpd/
bind /cfg /usr/web/cfg bind /386 /usr/web/386 bind /amd64 /usr/web/amd64 bind /sys/src/9 /usr/web/sys/src/9 mount #s/etcd /n/etcd bind /n/etcd/www /usr/web/etc # httpd will bind /usr/web onto /