Re: [Qemu-stable] VM looses network after live migration

[Stefan Priebe - Profihost AG]

Am 01.07.2013 11:45, schrieb Stefan Priebe - Profihost AG:
> Hello list,
> 
> i've tried to live migrate some VMs running qemu 1.4.1 to qemu 1.5.1
> (-machine type=pc-i440fx-1.4). The migration succeeds and also the
> console still works fine - except the network / networks. Which does not
> work at all.
> 
> After shutting down the VM and start it freshly under qemu 1.5.1 live
> migration incl. network works fine.
> 
> Is this expected?

The host dmesg output looks like this:

[ 3940.850375] device tap105i0 entered promiscuous mode
[ 3940.989748] vmbr0: port 17(tap105i0) entered forwarding state
[ 3941.038094] vmbr0: port 17(tap105i0) entered forwarding state
[ 4035.476936] vmbr0: port 17(tap105i0) entered disabled state
[ 4035.522873] vmbr0: port 17(tap105i0) entered disabled state

Stefan