Character devices:
  1 mem
  4 /dev/vc/0
  4 tty
  4 ttyS
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
  7 vcs
 10 misc
 13 input
 21 sg
 29 fb
128 ptm
136 pts
162 raw
180 usb
188 ttyUSB
189 usb_device
202 cpu/msr
203 cpu/cpuid
226 drm
231 infiniband_mad
231 infiniband_verbs
234 ipmidev
235 infiniband_verbs
236 aux
237 nvme
238 hidraw
239 ttyDBC
240 ttyDBC
241 ttyDBC
242 ttyDBC
243 usbmon
244 vfio
245 bsg
246 hmm_device
247 watchdog
248 ptp
249 pps
250 cec
251 rtc
252 dax
253 tpm
254 gpiochip
511 infiniband_mad

Block devices:
  8 sd
  9 md
 65 sd
 66 sd
 67 sd
 68 sd
 69 sd
 70 sd
 71 sd
128 sd
129 sd
130 sd
131 sd
132 sd
133 sd
134 sd
135 sd
253 device-mapper
254 mdp
259 blkext
