performance: 0.781
device: 0.776
network: 0.680
arm: 0.610
mistranslation: 0.467
peripherals: 0.448
graphic: 0.414
semantic: 0.291
architecture: 0.256
debug: 0.250
hypervisor: 0.241
files: 0.199
TCG: 0.188
assembly: 0.167
user-level: 0.146
risc-v: 0.146
boot: 0.136
VMM: 0.125
socket: 0.118
virtual: 0.090
ppc: 0.080
PID: 0.075
x86: 0.073
register: 0.058
vnc: 0.048
kernel: 0.040
permissions: 0.035
KVM: 0.034
i386: 0.011

/s390x/migration/precopy/tcp/plain/switchover-ack may hang