(list (build-machine
       (name "wkz-serv")
       ;;(system "x86_64-linux")
       (host-key "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDGqGIwdYuz+fnvMFQjA7S/xw6bTkJsJg+/6bORPb3Bf root@(none)")
       (user "root")
       (parallel-builds 4)
       (features '("kvm"))
       (speed 2.0)
       ))