* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
* Fix vyos on network_cli on python3
bytes do not have format() in Python3
* Push connection to tasks, with bonus connection=local test
* Run tests without explicit connection set
* Add/update START messages where appropriate
The tests rely on setting the lldp IP on the management interface.
However, the IP discovered is the private IP of the node, and tests
require accessing it via Nodepool node public IP.
Removing that test for now to get CI green again, we'll reasses once we
release 2.4.
