Host 221 testcp 192.168.2.221
        Hostname 192.168.2.221
        User marios

Host Master
    Hostname 192.168.10.114
    User root
    ProxyCommand ssh testcp -W %h:%p

Host vm 192.168.10.106
        Hostname 192.168.10.106
        User ubuntu
        ProxyCommand ssh Master -W %h:%p

Host vm2 192.168.10.67
        Hostname 192.168.10.67
        User ubuntu
        ProxyCommand ssh Master -W %h:%p