We started using Docker Plugin 1.1.5 with Jenkins 2.140 and we are seeing this "channel closed down" message an almost every job.
[WORK] Cannot contact docker-000cu0ya5igsh: hudson.remoting.ChannelClosedException: Channel "unknown": Remote call on docker-000cu0ya5igsh failed. The channel is closing down or has closed down
It always feels like this is while a larger amount of work is being done in the container (for example running "mvn test" where we have thousands of tests).