performance: 0.810
network: 0.695
device: 0.665
debug: 0.624
graphic: 0.369
socket: 0.344
files: 0.326
semantic: 0.305
PID: 0.112
other: 0.079
boot: 0.034
vnc: 0.031
permissions: 0.020
KVM: 0.004

qemu-storage-daemon --nbd-server fails with "too many connections" error