The cloud-init runcmd had a race condition where the script could run before the network interfaces were ready.
Changed the script to a systemd unit and added a dependency on network ready.
* first shot, untested
* example tests working
* module tests
* work on gke blueprints
* multitenant fleet doc examples
* fix gke hub doc examples
* blueprint tests
* move master range to vpc config
* fast stage 3 gke test
* tfdoc
* bump provider versions
* and bump provider again to latest