centos pxe无盘启动出现的fail提示

[agpintel]

按网上教程安装了centos pxe, 请教大神为什么client启动过程出现如下 fail提示?
虽然的fail提示但client可以正常进系统, 网络

[FAILED] Failed to start Remount Root and Kernel File Systems.
[FAILED] Failed to start Import network configuration from initramfs.

[nettman]

[FAILED] Failed to start Remount Root and Kernel File Systems. [FAILED] Failed to start Import network configuration from initramfs. 看上去只是2个警告，不影响客户端运行

[agpintel]

找到一个原因是无盘系统fstab加载的东西太多了。