/ /a shared:42 - tmpfs-a
/ /b shared:43 master:42 - tmpfs-a
/ /c shared:44 master:42 - tmpfs-a
/ /d shared:44 master:42 - tmpfs-a
/ /a/1 shared:45 - tmpfs-a-1
/ /c/1 shared:46 master:45 - tmpfs-a-1
/ /d/1 shared:46 master:45 - tmpfs-a-1
/ /b/1 shared:47 master:45 - tmpfs-a-1
