more specific log detail in my test
docker run -v ucp-elasticsearch-data:/usr/share/elasticsearch/data -p 9200:9200 -p 9300:9300 elasticsearch:latest elasticsearch -Des.network.host=0.0.0.0
[2016-04-08 11:18:07,503][WARN ][bootstrap ] unable to install syscall filter: seccomp unavailable: your kernel is buggy and you should upgrade
[2016-04-08 11:18:07,661][INFO ][node ] [Ch’od] version[2.3.1], pid[1], build[bd98092/2016-04-04T12:25:05Z]
[2016-04-08 11:18:07,661][INFO ][node ] [Ch’od] initializing …
[2016-04-08 11:18:08,201][INFO ][plugins ] [Ch’od] modules [reindex, lang-expression, lang-groovy], plugins [], sites []
[2016-04-08 11:18:08,231][INFO ][env ] [Ch’od] using [1] data paths, mounts [[/usr/share/elasticsearch/data (/dev/vda2)]], net usable_space [55.5gb], net total_space [59gb], spins? [possibly], types [ext4]
[2016-04-08 11:18:08,232][INFO ][env ] [Ch’od] heap size [1007.3mb], compressed ordinary object pointers [true]
[2016-04-08 11:18:10,290][INFO ][node ] [Ch’od] initialized
[2016-04-08 11:18:10,290][INFO ][node ] [Ch’od] starting …
[2016-04-08 11:18:10,386][INFO ][transport ] [Ch’od] publish_address {172.17.0.2:9300}, bound_addresses {[::]:9300}
[2016-04-08 11:18:10,403][INFO ][discovery ] [Ch’od] elasticsearch/zpEDq8beSfKatvpNA5eUxA
[2016-04-08 11:18:13,511][INFO ][cluster.service ] [Ch’od] new_master {Ch’od}{zpEDq8beSfKatvpNA5eUxA}{172.17.0.2}{172.17.0.2:9300}, reason: zen-disco-join(elected_as_master, [0] joins received)
[2016-04-08 11:18:13,544][INFO ][http ] [Ch’od] publish_address {172.17.0.2:9200}, bound_addresses {[::]:9200}
[2016-04-08 11:18:13,545][INFO ][node ] [Ch’od] started
[2016-04-08 11:18:13,575][INFO ][gateway ] [Ch’od] recovered [0] indices into cluster_state