Example
# create docker container
export cid=$(docker run -d --security-opt seccomp:unconfined busybox /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done')
# container is started and prints a number every second
# display the output with
docker logs $cid
# checkpoint the container
docker checkpoint create $cid checkpointname
# container is not running anymore
docker np
# lets pass some time to make sure
# resume container
docker start $cid --checkpoint=checkpointname
# print logs again
docker logs $cid
