add integration test using azure advanced networking

This bug was originally filed in Launchpad as [LP: #1920017](https://bugs.launchpad.net/cloud-init/+bug/1920017)

Launchpad details

affected_projects = []

assignee = None

assignee_name = None

date_closed = None

date_created = 2021-03-18T12:55:28.248444+00:00

date_fix_committed = None

date_fix_released = None

id = 1920017

importance = medium

is_complete = False

lp_url = https://bugs.launchpad.net/cloud-init/+bug/1920017

milestone = 21.2

owner = rharding

owner_name = Richard Harding

private = False

status = triaged

submitter = rharding

submitter_name = Richard Harding

tags = []

duplicates = []

_Launchpad user **Richard Harding(rharding)** wrote on 2021-03-18T12:55:28.248444+00:00_

Currently, we do not have integration tests using the Azure advanced networking functionality. We should investigate how to create isolated and reliable testing for these scenarios as we've run into a few issues when guests were using it and changes in behavior.