def free_port_for_host_above(host, port)
      test_port = port
      test_port += 1 until port_free?(host, test_port) || port + 100 <= test_port
      test_port
    end
def free_port_for_host_above(host, port)
      test_port = port
      test_port += 1 until port_free?(host, test_port) || port + 100 <= test_port
      test_port
    end
Get the first free port for host above port
 Will only ever test 100 ports.