As I can see from the logs, multiple RabbitMQ log mesasages "Discarding message {'$gen_call" point this issue has many common with https://bugs.launchpad.net/fuel/+bug/1288831 and probably should be marked as a duplicate as well.
As I can see from the logs, multiple RabbitMQ log mesasages "Discarding message {'$gen_call" point this issue has many common with https:/ /bugs.launchpad .net/fuel/ +bug/1288831 and probably should be marked as a duplicate as well.