On Thu, 14 Feb 2013 10:49:13 -0500
Jean-Francois Saucier <jsaucier@gmail.com> wrote:

> > oVirt 3.2:
> > -netdev tap,fd=25,id=hostnet0 -device
> >
> > rtl8139,netdev=hostnet0,id=net0,mac=00:1a:4a:00:64:9e,bus=pci.0,addr=0x3,bootindex=3

    ^^^^^^^ - realtek, really? Try e1000 which is usually much
more reliable or virtio iface. I personally always had terrible
experience with emulated rtl8139 by qemu-kvm, e1000 was OK.