Build failed.

- instack-undercloud-tarball http://logs.openstack.org/51/51a4ed02fa43fecc6e8971dcc44c2541cedc09f3/pre-re... : FAILURE in 1m 58s - instack-undercloud-tarball-signing instack-undercloud-tarball-signing : SKIPPED - instack-undercloud-pypi-both-upload instack-undercloud-pypi-both-upload : SKIPPED