'mq=on,csum=off,gso=off,guest_tso4=off,guest_tso6=off,'
'guest_ecn=off,mrg_rxbuf={mbuf}{queue_size}'.
format(vhost_id=self._vhost_id, mac=mac,
- mbuf='on' if jumbo_frames else 'off',
+ mbuf='on,host_mtu=9200' if jumbo_frames else 'off',
queue_size=queue_size))
self._qemu_opt['options'] += device
# Add interface MAC and socket to the node dict