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[d687r02j8g]

Please see the following

/boot is mounted twice

Well, there is nothing too-complex to understand here. This mount looks like a duplicate, but it really isn't. What OpenWrt intends to do is to mount a subdirectory of the filesystem stored on /dev/mmcblk0p1 to /boot. This is impossible to make in one go. So, first, they mount the whole filesystem from /dev/mmcblk0p1 to /boot. Then they have access to the subdirectory, but it is at /boot/boot, which is not what they want. Thus they use a second mount (a so-called "bind mount", a special mode wh…