DockerTest.ROOT_DOCKER_CheckPortResource fails.

[ RUN      ] DockerTest.ROOT_DOCKER_CheckPortResource
I1118 08:18:50.336110 20979 docker.cpp:684] Running docker -H unix:///var/run/docker.sock rm -f -v mesos-docker-port-resource-test
I1118 08:18:50.413763 20979 resources.cpp:474] Parsing resources as JSON failed: ports:[9998-9999];ports:[10001-11000]
Trying semicolon-delimited string format instead
I1118 08:18:50.414670 20979 resources.cpp:474] Parsing resources as JSON failed: ports:[9998-9999];ports:[10000-11000]
Trying semicolon-delimited string format instead
I1118 08:18:50.415073 20979 docker.cpp:564] Running docker -H unix:///var/run/docker.sock run -e MESOS_SANDBOX=/mnt/mesos/sandbox -e MESOS_CONTAINER_NAME=mesos-docker-port-resource-test -v /tmp/DockerTest_ROOT_DOCKER_CheckPortResource_4e34OB:/mnt/mesos/sandbox --net bridge -p 10000:80 --name mesos-docker-port-resource-test busybox true
../../src/tests/containerizer/docker_tests.cpp:338: Failure
(run).failure(): Container exited on error: exited with status 1
I1118 08:18:50.717136 20979 docker.cpp:842] Running docker -H unix:///var/run/docker.sock ps -a
I1118 08:18:50.819042 20999 docker.cpp:723] Running docker -H unix:///var/run/docker.sock inspect mesos-docker-port-resource-test
I1118 08:18:50.924579 20979 docker.cpp:684] Running docker -H unix:///var/run/docker.sock rm -f -v 67781b79c7641a6450c3ddb4ba13112b6f5a50060eac3f65cac3ad57a2a527ea
[  FAILED  ] DockerTest.ROOT_DOCKER_CheckPortResource