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
921 nictool_dev
162 raw
180 usb
188 ttyUSB
189 usb_device
202 cpu/msr
203 cpu/cpuid
231 infiniband_mad
231 infiniband_verbs
231 infiniband_cm
231 acn_roce_0
231 acn_roce_1
231 acn_roce_2
231 acn_roce_3
241 kbox
242 ptp
243 pps
244 mei
245 macvtap
246 dbgtool_chr_dev
247 megaraid_sas_ioctl
248 vfio
249 hidraw
250 usbmon
251 bsg
252 watchdog
253 rtc
254 tpm

Block devices:
259 blkext
  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
