Emulex be2net NIC fails with Waiting for POST and POST timeout

Issue

• Network ports not being recognized in OS
• Emulex OneConnect be2net NIC does not bring up its ethX network interface
• Following error messages are logged on reboot:

be2net 0000:05:00.0: PCI INT A -> GSI 26 (level, low) -> IRQ 26
be2net 0000:05:00.0: setting latency timer to 64
be2net 0000:05:00.0: Waiting for POST, 0s elapsed
be2net 0000:05:00.0: Waiting for POST, 2s elapsed
be2net 0000:05:00.0: Waiting for POST, 4s elapsed
...
be2net 0000:05:00.0: Waiting for POST, 56s elapsed
be2net 0000:05:00.0: Waiting for POST, 58s elapsed
be2net 0000:05:00.0: POST timeout; stage=0xb00
be2net 0000:05:00.0: PCI INT A disabled
be2net 0000:05:00.0: Emulex OneConnect(be3) initialization failed
be2net: probe of 0000:05:00.0 failed with error -1