Merge changes from topic "ethernet_specifier"

* changes:
  Fix common tests on Q and R
  Add Ethernet, TestNetworkSpecifier API
tree: 784f1cb5012fc9b7cbe0c1efd1b067344546191b
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS