debug: 0.844
device: 0.805
network: 0.669
graphic: 0.628
performance: 0.452
semantic: 0.280
other: 0.144
permissions: 0.132
boot: 0.130
vnc: 0.066
socket: 0.044
files: 0.028
PID: 0.021
KVM: 0.013

Emulation error when calling the SIOCGIFNETMASK ioctl through qemu-user