def METHOD_NAME(mod, persist=False):
    """
    Load the specified kernel module
    mod
        Name of the module to add
    persist
        Write the module to sysrc kld_modules to make it load on system reboot
    CLI Example:
    .. code-block:: bash
        salt '*' kmod.load bhyve
    """
    pre_mods = lsmod()
    response = __salt__["cmd.run_all"]("kldload {}".format(mod), python_shell=False)
    if response["retcode"] == 0:
        post_mods = lsmod()
        mods = _new_mods(pre_mods, post_mods)
        persist_mods = set()
        if persist:
            persist_mods = _set_persistent_module(mod)
        return sorted(list(mods | persist_mods))
    elif "module already loaded or in kernel" in response["stderr"]:
        if persist and mod not in _get_persistent_modules():
            persist_mods = _set_persistent_module(mod)
            return sorted(list(persist_mods))
        else:
            # It's compiled into the kernel
            return [None]
    else:
        return "Module {} not found".format(mod)