device: 0.934
KVM: 0.898
network: 0.663
graphic: 0.549
instruction: 0.490
semantic: 0.244
boot: 0.230
mistranslation: 0.195
vnc: 0.157
other: 0.093
socket: 0.038
assembly: 0.009

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