Bug ID 22382621
Issue: During the PXE installation, the Red Hat Enterprise Linux (RHEL) kernel sets the onboard NIC to low power mode, then disables the Preboot eXecution Environment (PXE) on reboot.
Affected operating systems:
Red Hat Enterprise Linux 7 Update 2
Oracle Linux 7 Update 2 Red Hat Compatible Kernel
Oracle Unbreakable Enterprise Kernel (UEK)
Workarounds:
Red Hat Enterprise Linux 7 Update 2: Perform a cold reboot of the server.
Oracle Linux 7 Update 2 Red Hat Compatible Kernel: Perform a cold reboot of the server.