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
236 uio
237 infiniband_mad
238 infiniband_verbs
239 vfio
240 mei
241 ipmidev
242 aux
243 megaraid_sas_ioctl
244 ptp
245 pps
246 hidraw
247 usbmon
248 bsg
249 watchdog
250 iio
251 rtc
252 dax
253 tpm
254 gpiochip

Block devices:
  8 sd
  9 md
 43 nbd
 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
