- Fixes https://github.com/docker/libnetwork/issues/1051 - Fixes https://github.com/docker/libnetwork/issues/985 - Fixes https://github.com/docker/libnetwork/issues/945 - Log time taken to set sandbox key - Limit number of concurrent DNS queries Signed-off-by: Madhu Venugopal <madhu@docker.com> Upstream-commit: 90bb5301b51ec6a6c77b910855441feef10492ff Component: engine