device: 0.812
debug: 0.601
network: 0.532
graphic: 0.428
PID: 0.411
performance: 0.381
files: 0.335
KVM: 0.253
boot: 0.247
vnc: 0.219
semantic: 0.141
other: 0.135
socket: 0.124
permissions: 0.042

incremental_live_backup:  Error prompt info when do incremental backup with an invalid "bitmap-mode"