network: 0.880
device: 0.766
performance: 0.755
semantic: 0.466
graphic: 0.248
debug: 0.243
other: 0.106
KVM: 0.078
permissions: 0.071
boot: 0.068
PID: 0.059
files: 0.014
socket: 0.007
vnc: 0.003

-serial tcp should hang up when DTR goes low