device: 0.956
graphic: 0.899
performance: 0.896
architecture: 0.885
network: 0.881
PID: 0.800
VMM: 0.793
debug: 0.780
vnc: 0.760
permissions: 0.721
hypervisor: 0.704
risc-v: 0.693
boot: 0.683
socket: 0.667
semantic: 0.638
ppc: 0.617
arm: 0.607
register: 0.600
mistranslation: 0.587
files: 0.576
TCG: 0.551
peripherals: 0.547
kernel: 0.487
user-level: 0.433
x86: 0.407
virtual: 0.369
assembly: 0.311
i386: 0.286
KVM: 0.004

failed to migrate using multifd with multifd-channels larger than 2
Description of problem:
try to using multifd live migration on QEMU v8.0.0 using multifd channels larger than 2, but failed.
Steps to reproduce:
1. start source / dest qemu vm
2. migrate_set_capability multifd on && migrate_set_parameter multifd-channels 8

then live migration will failed