Relevant changes; - swarmkit #2593 agent: return error when failing to apply network key - swarmkit #2645 Replace deprecated grpc functions - swarmkit #2720 Test if error is nil before to log it - swarmkit #2712 [orchestrator] Fix task sorting - swarmkit #2677 [manager/orchestrator/reaper] Fix the condition used for skipping over running tasks Signed-off-by: Sebastiaan van Stijn <github@gone.nl> Upstream-commit: 660fa129c0ea09c1aa1770b5f2d26ec762213484 Component: engine