Accelerated networking test should handle VMSS instances

[mboersma]

/kind bug

What steps did you take and what happened:

The test spec in test/e2e/azure_accelnet.go only loops over VMs in the resource group, so it's not testing the accelerated networking property of any VMSS / MachinePool clusters. It should be expanded and added to cover the VMSS spec that's now in azure_test.go.

What did you expect to happen:

e2e tests validate the accelerated networking property on VMSS instances is set as expected (true if it's available for the SKU).

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

• cluster-api-provider-azure version:
• Kubernetes version: (use kubectl version):
• OS (e.g. from /etc/os-release):

[CecileRobertMichon]

/help
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[surajrana93]

@mboersma @CecileRobertMichon
Do you still need help on this? Want to give it a try as a first issue

[CecileRobertMichon]

@surajrana93 go for it. I saw you also commented on #497. Both of these are up for grabs. Make sure you comment /assign on whichever one you choose to pick up and let us know if you would like any pointers.

[fejta-bot]

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[CecileRobertMichon]

/remove-lifecycle stale

[jackfrancis]

/assign