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 software:
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.