/usr/bin/kvm
-name guest=slave25,debug-threads=on
-S
-object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-4-slave25/master-key.aes
-machine pc-i440fx-2.8,accel=kvm,usb=off,dump-guest-core=off
-cpu host
-m 2048
-realtime mlock=off
-smp 2,sockets=2,cores=1,threads=1
-uuid 3c56a393-93f5-42a8-9f3a-ab9920d6ab2e
-no-user-config
-nodefaults
-chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-4-slave25/monitor.sock,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control
-rtc base=utc
-no-shutdown
-boot menu=on,strict=on
-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2
-drive file=/var/lib/virt_nfs/slave25-0.qcow2,format=qcow2,if=none,id=drive-virtio-disk0,cache=none
-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
-drive if=none,id=drive-ide0-0-0,readonly=on
-device ide-cd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0
-netdev tap,fd=29,id=hostnet0,vhost=on,vhostfd=32
-device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:7a:a9:c4,bus=pci.0,addr=0x3
-device usb-tablet,id=input0,bus=usb.0,port=1
-vnc 0.0.0.0:0
-k en-us
-device cirrus-vga,id=video0,bus=pci.0,addr=0x2
-incoming defer
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5
-msg timestamp=on

qemu-system-x86_64: Unknown savevm section or instance '0000:00:01.2/2/usb-hub' 0