unit-etcd-1: 2016-02-22 20:19:24 ERROR juju.worker.dependency engine.go:508 "uniter" manifold worker returned unexpected error: preparing operation "install local:trusty/etcd-3": failed to download charm "local:trusty/etcd-3" from ["https://10.184.146.248:17070/model/74bdf7e4-6905-4d3c-8d7e-404196bb96fa/charms?file=%2A&url=local%3Atrusty%2Fetcd-3"]: expected sha256 "b936089ac98c874e92625ccd9f9e0afe76f18872513a781d0e9c70607f0fba54", got "88d54e59223faf9b1f390ea103d3e93b24c3f50f911909437a3f30bfe677d7a3"