device: 0.934
KVM: 0.898
performance: 0.787
network: 0.663
debug: 0.640
peripherals: 0.553
graphic: 0.549
VMM: 0.430
arm: 0.411
PID: 0.400
kernel: 0.351
i386: 0.294
ppc: 0.271
x86: 0.269
semantic: 0.244
register: 0.241
TCG: 0.236
boot: 0.230
mistranslation: 0.195
vnc: 0.157
permissions: 0.123
risc-v: 0.121
files: 0.099
architecture: 0.039
socket: 0.038
virtual: 0.033
user-level: 0.027
hypervisor: 0.026
assembly: 0.009

after OS upgrade usb-redir connection broken during migration and qemu-kvm: terminating on signal 15