Comment 5 for bug 1427893

After several weeks of troubleshooting unstability in OSAD in general and more specific with networking, it seems we bumped into this issue as well.

As of kilo, AFAICS, this can easily be configured by adding those sysctl settings when redefining the default list defined in:

playbooks/roles/openstack_hosts/defaults/main.yml:openstack_kernel_options: