I've been able to reproduce this outside of Neutron on a single node with the following test script: https://gist.github.com/dlundquist/4691dfb16426e973a89b. It doesn't not appear to occur on on the 4.3.0 kernel in the Debian jessie-backports.
I've been able to reproduce this outside of Neutron on a single node with the following test script: https:/ /gist.github. com/dlundquist/ 4691dfb16426e97 3a89b. It doesn't not appear to occur on on the 4.3.0 kernel in the Debian jessie-backports.