mistranslation: 0.861
device: 0.712
semantic: 0.586
graphic: 0.387
instruction: 0.288
other: 0.226
network: 0.177
assembly: 0.116
boot: 0.050
KVM: 0.027
vnc: 0.022
socket: 0.006

"qemu-system-arm -machine virt -cpu cortex-a9" error message includes a lot of "(null)"s