add do1-do7 di1 procfs

hc

2023-10-12 3124110e504ba82e43686669ed7188bcdbe72744

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# From https://www.kernel.org/pub/software/network/crda/sha256sums.asc
sha256    43fcb9679f8b75ed87ad10944a506292def13e4afb194afa7aa921b01e8ecdbf    crda-3.18.tar.xz