network: 0.923
device: 0.826
semantic: 0.709
PID: 0.558
other: 0.554
permissions: 0.510
performance: 0.407
files: 0.387
boot: 0.313
vnc: 0.246
debug: 0.209
graphic: 0.196
socket: 0.102
KVM: 0.074

netdev tftp option docs don't mention that the TFTP server is read-only