cmd.SiteReplicationSys.EditPeerCluster calls madmin.AdminClient.ServerInfo, which eventually calls http.Client.CloseIdleConnections

cmd.MockOpenIDTestUserInteraction calls http.Client.Do

openid.Config.PopulatePublicKey calls http.Client.Get

cmd.metricsV3Server.ServeHTTP calls http.HandlerFunc.ServeHTTP, which eventually calls http.Client.PostForm

rest.Client.dumpHTTP calls httputil.DumpRequestOut, which calls http.Transport.CloseIdleConnections

handlers.Forwarder.ServeHTTP calls httputil.ReverseProxy.ServeHTTP, which calls http.Transport.RoundTrip