Looks like s10 never did file a separate bug for the regression, but we got hit by the same issue, so I filed https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1647389.
Looks like s10 never did file a separate bug for the regression, but we got hit by the same issue, so I filed https:/ /bugs.launchpad .net/ubuntu/ +source/ qemu/+bug/ 1647389.