network: 0.880
device: 0.766
instruction: 0.627
semantic: 0.466
mistranslation: 0.392
graphic: 0.248
other: 0.106
KVM: 0.078
boot: 0.068
assembly: 0.023
socket: 0.007
vnc: 0.003

-serial tcp should hang up when DTR goes low