device: 0.736
debug: 0.448
graphic: 0.431
mistranslation: 0.400
arm: 0.358
PID: 0.232
network: 0.175
permissions: 0.169
ppc: 0.169
boot: 0.161
i386: 0.154
peripherals: 0.140
semantic: 0.127
x86: 0.123
kernel: 0.122
performance: 0.103
virtual: 0.078
hypervisor: 0.065
architecture: 0.060
vnc: 0.056
register: 0.050
files: 0.046
socket: 0.046
risc-v: 0.041
user-level: 0.027
TCG: 0.018
assembly: 0.018
VMM: 0.013
KVM: 0.003

`make install` fails on documentation when using Sphinx 4