+ :param node: DUT node.
+ :param cmd: Command to be executed.
+ :param timeout: Timeout value in seconds. Default: 600.
+ :param sudo: Sudo privilege execution flag. Default: False.
+ :param message: Error message in case of failure. Default: None.
+ :type node: dict
+ :type cmd: str
+ :type timeout: int
+ :type sudo: bool
+ :type message: str
+ :returns: Stdout, Stderr.
+ :rtype: tuple(str, str)
+ :raise RuntimeError: If bash return code is not 0.