The requested URL /centos7-master-head/1f/a4/1fa43b8f79e4cbb8781d3a87d854f9f871bef579_040b43ee/openstack-tripleo-common-devtools-7.1.1-0.20170617163015.c1b0c1c.el7.centos.noarch.rpm was not found on this server.