root@proxmox:/# qm start 101
bridge vmbr0 does not exist!
can't add interface to bridge
/var/lib/qemu-server/pve-bridge: could not launch network script
kvm: -netdev type=tap,id=net0,ifname=tap101i0,script=/var/lib/qemu-server/pve-bridge: Device 'tap' could not be initialized
start failed: command '/usr/bin/kvm -id 101 -chardev 'socket,id=monitor,path=/var/run/qemu-server/101.mon,server,nowait' -mon 'chardev=monitor,mode=readline' -vnc unix:/var/run/qemu-server/101.vnc,x509,password -pidfile /var/run/qemu-server/101.pid -daemonize -usbdevice tablet -name WinXP -smp 'sockets=1,cores=1' -nodefaults -boot 'menu=on' -vga cirrus -localtime -rtc-td-hack -k en-us -drive 'if=none,id=drive-ide2,media=cdrom,aio=native' -device 'ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2' -drive 'file=/var/lib/vz/images/101/vm-101-disk-2.raw,if=none,id=drive-ide0,aio=native,cache=none' -device 'ide-hd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0,bootindex=100' -m 512 -netdev 'type=tap,id=net0,ifname=tap101i0,script=/var/lib/qemu-server/pve-bridge' -device 'rtl8139,romfile=,mac=82:66:E0:4D:CC:B1,netdev=net0,bus=pci.0,addr=0x12,id=net0' -cpuunits 1000' failed: exit code 1
root@proxmox:/# file vm-101-disk-2.raw
vm-101-disk-2.raw: ERROR: cannot open `vm-101-disk-2.raw' (No such file or directory)