I believe the fixes for bug 1649527 fixed things for libvirt >= 1.3.3, but broke compatibility with the documented baseline version of libvirt for Nova breaking drivers that use the 'tap' vif type on Ubuntu Xenial.
I believe the fixes for bug 1649527 fixed things for libvirt >= 1.3.3, but broke compatibility with the documented baseline version of libvirt for Nova breaking drivers that use the 'tap' vif type on Ubuntu Xenial.