On 10/3/17 1:37 PM, Monty Taylor wrote: > The partial rollback of Zuulv3 is in place now. Zuulv2 is acting as your > gate keeper once again. Since the rollback, one of the neutron-lib (v2) jobs has been consistently failing [1] with: c/_cffi_backend.c:15:17: fatal error: ffi.h: No such file or directory Is this a known issue? [1] http://logs.openstack.org/01/508901/1/check/gate-tempest-dsvm-neutron-src-neutron-lib-ubuntu-xenial/c1d98e2/console.html#_2017-10-04_11_06_07_410466