Emulex OneConnect be2net cards generating pause frames

Issue

Emulex OneConnect NIC using be2net driver sends a lot of pause frames,
be2net network adapter is seen to repeatedly switch between online and offline, known as "link flapping"

Red Hat Enterprise Linux
Emulex Corporation OneConnect 10Gb NIC (be3) aka "HP NC55x" network interface card
- Driver be2net
- Firmware older than version 4.1.450.7

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