Support LACP networking configuration for EKSA BareMetal

[saiteja313]

What would you like to be added:

EKSA Bare Metal documentation shows Advanced Bare Metal Cluster Configuration [1]. There are no docs on LACP networking Configuration. Workaround [2] [3] from Cilium GitHub issue with few details.

[1] https://anywhere.eks.amazonaws.com/docs/getting-started/baremetal/bare-spec/#advanced-bare-metal-cluster-configuration
[2] cilium/cilium#18706
[3] cilium/cilium#18706 (comment)

Why is this needed:

• High Avaialbility, Load Balancing, Scalability and to support High performance networks.
• Example: Telco or Streaming use cases.

[thecloudgarage]

We are also looking for this information. Can we expect a sample.

[Cajga]

This is how we achieved custom netplan per host: #7538 (comment)