vhagar - replace failing network card

[Firefishy]

vhagar has a network card returning an unexpected ECC error. The NIC should be replaced.

[  757.936687] ixgbe 0000:5d:00.1 eno6: Received ECC Err, initiating reset
[  757.936776] ixgbe 0000:5d:00.1 eno6: Reset adapter
...
[  763.237954] ixgbe 0000:5d:00.1 eno6: Received ECC Err, initiating reset
[  763.238038] ixgbe 0000:5d:00.1 eno6: Reset adapter
...
[  768.539157] ixgbe 0000:5d:00.1 eno6: Received ECC Err, initiating reset
[  768.539242] ixgbe 0000:5d:00.1 eno6: Reset adapter

5d:00.1 Ethernet controller: Intel Corporation Ethernet Controller 10-Gigabit X540-AT2 (rev 01)
	DeviceName: Embedded FlexibleLOM 1 Port 2
	Subsystem: Hewlett-Packard Company 561FLR-T 2-port 10Gb Ethernet Adapter

Controller should be replaced with a HPE X550 FLR-T / 817745-B21.

[Firefishy]

817745-B21 has been ordered.

[Firefishy]

2x 817745-B21 are now in stock in Catford. Link with #1218