foo        unix  -       n       n       -       0       other
bar        unix  -       n       n       -       0       other
    -o xxx=yyy
    -o aaa=bbb
baz        unix  -       n       n       -       0       other
bar/unix/aaa = bbb
bar/unix/xxx = yyy
foo        unix  -       n       n       -       0       other
bar        unix  -       n       n       -       0       other
baz        unix  -       n       n       -       0       other