def METHOD_NAME(self) -> None:
    """
    Validates executables CORE depends on exist on path.
    :return: nothing
    :raises core.errors.CoreError: when an executable does not exist on path
    """
    use_ovs = self.config.get("ovs") == "1"
    for requirement in get_requirements(use_ovs):
        utils.which(requirement, required=True)