My keystone image build continues to fail. Here is the command and associated errors:

# kolla-build --type source --registry 10.30.118.91:4000 --push keystone

...
INFO:kolla.cmd.build:keystone:Error unpacking rpm package httpd-2.4.6-40.el7.centos.x86_64
INFO:kolla.cmd.build:keystone:
INFO:kolla.cmd.build:keystone:
....
INFO:kolla.cmd.build:keystone:Failed:
INFO:kolla.cmd.build:keystone:  httpd.x86_64 0:2.4.6-40.el7.centos                                            
INFO:kolla.cmd.build:keystone:Complete!
INFO:kolla.cmd.build:keystone:Removing intermediate container d70b425a1713
ERROR:kolla.cmd.build:keystone:Error'd with the following message
ERROR:kolla.cmd.build:keystone:The command '/bin/sh -c yum -y install         httpd         mod_wsgi     && yum clean all     && sed -i -r 's,^(Listen 80),#\1,' /etc/httpd/conf/httpd.conf' returned a non-zero code: 1
INFO:kolla.cmd.build:Successfully built images
INFO:kolla.cmd.build:=========================
INFO:kolla.cmd.build:openstack-base
INFO:kolla.cmd.build:base
INFO:kolla.cmd.build:Images that failed to build
INFO:kolla.cmd.build:===========================
ERROR:kolla.cmd.build:keystone Failed with status: error
({'keystone': 'error'}, {'openstack-base': 'built', 'base': 'built'}, {'aodh-expirer': 'unmatched', 'heat-api-cfn': 'unmatched', 'cinder-base': 'unmatched', 'swift-container': 'unmatched', 'designate-api': 'unmatched', 'trove-api': 'unmatched', 'heat-engine': 'unmatched', 'gnocchi-base': 'unmatched', 'openvswitch-vswitchd': 'unmatched', 'nova-network': 'unmatched', 'trove-base': 'unmatched', 'designate-central': 'unmatched', 'aodh-base': 'unmatched', 'murano-engine': 'unmatched', 'neutron-server': 'unmatched', 'magnum-base': 'unmatched', 'magnum-conductor': 'unmatched', 'murano-api': 'unmatched', 'mistral-executor': 'unmatched', 'mesos-dns': 'unmatched', 'nova-spicehtml5proxy': 'unmatched', 'aodh-api': 'unmatched', 'nova-libvirt': 'unmatched', 'cinder-api': 'unmatched', 'rabbitmq': 'unmatched', 'manila-api': 'unmatched', 'nova-base': 'unmatched', 'zookeeper': 'unmatched', 'kibana': 'unmatched', 'cron': 'unmatched', 'swift-proxy-server': 'unmatched', 'aodh-evaluator': 'unmatched', 'tempest': 'unmatched', 'trove-guestagent': 'unmatched', 'neutron-linuxbridge-agent': 'unmatched', 'nova-ssh': 'unmatched', 'magnum-api': 'unmatched', 'keepalived': 'unmatched', 'ceph-mon': 'unmatched', 'memcached': 'unmatched', 'mesos-slave': 'unmatched', 'heka': 'unmatched', 'haproxy': 'unmatched', 'ceilometer-collector': 'unmatched', 'glance-api': 'unmatched', 'swift-base': 'unmatched', 'elasticsearch': 'unmatched', 'horizon': 'unmatched', 'cinder-scheduler': 'unmatched', 'designate-sink': 'unmatched', 'murano-base': 'unmatched', 'dind': 'unmatched', 'kolla-toolbox': 'unmatched', 'designate-poolmanager': 'unmatched', 'neutron-openvswitch-agent': 'unmatched', 'ceilometer-compute': 'unmatched', 'manila-scheduler': 'unmatched', 'ceph-osd': 'unmatched', 'ceilometer-central': 'unmatched', 'nova-novncproxy': 'unmatched', 'mesos-master': 'unmatched', 'designate-backend-bind9': 'unmatched', 'gnocchi-api': 'unmatched', 'cinder-rpcbind': 'unmatched', 'heat-api': 'unmatched', 'aodh-notifier': 'unmatched', 'cinder-backup': 'unmatched', 'nova-conductor': 'unmatched', 'neutron-base': 'unmatched', 'ceilometer-notification': 'unmatched', 'ironic-api': 'unmatched', 'mistral-base': 'unmatched', 'mistral-api': 'unmatched', 'ceilometer-base': 'unmatched', 'swift-object': 'unmatched', 'openvswitch-base': 'unmatched', 'ceph-base': 'unmatched', 'nova-api': 'unmatched', 'cinder-volume': 'unmatched', 'ceilometer-api': 'unmatched', 'trove-taskmanager': 'unmatched', 'swift-rsyncd': 'unmatched', 'aodh-listener': 'unmatched', 'glance-registry': 'unmatched', 'mesosphere-base': 'unmatched', 'neutron-l3-agent': 'unmatched', 'ceph-rgw': 'unmatched', 'chronos': 'unmatched', 'marathon': 'unmatched', 'ironic-base': 'unmatched', 'mistral-engine': 'unmatched', 'zaqar': 'unmatched', 'nova-consoleauth': 'unmatched', 'designate-base': 'unmatched', 'neutron-dhcp-agent': 'unmatched', 'heat-base': 'unmatched', 'designate-mdns': 'unmatched', 'mongodb': 'unmatched', 'ironic-inspector': 'unmatched', 'openvswitch-db-server': 'unmatched', 'ironic-conductor': 'unmatched', 'nova-scheduler': 'unmatched', 'manila-base': 'unmatched', 'manila-share': 'unmatched', 'mesos-base': 'unmatched', 'mariadb': 'unmatched', 'swift-account': 'unmatched', 'nova-compute': 'unmatched', 'neutron-metadata-agent': 'unmatched', 'nova-compute-ironic': 'unmatched', 'glance-base': 'unmatched', 'ironic-pxe': 'unmatched', 'gnocchi-statsd': 'unmatched', 'trove-conductor': 'unmatched'})


Looks like their is a problem associated to the httpd.x86_64 0:2.4.6-40.el7.centos package