CoreOS 571.0.0 Alpha 发布，此版本改进内容如下：
Drop default --insecure-registry=0.0.0.0/0 flag from docker service. If you access registries without HTTPS you must set --insecure-registry= yourself.
coreos-cloudinit 1.2.1
Add ebtables command line tool.
Fix coreos-install with new ext4 based images.
Accept DHCP provided domain names that end in a dot. Broken since 534.1.0
软件详情：https://github.com/coreos/manifest/releases/tag/v571.0.0?__hstc=112362075.668c5c0a18d61dac1cb0502fc188cb2f.1418689282014.1421972787506.1422146121566.29&__hssc=112362075.1.1422146121566&__hsfp=1518953503
来自:开源中国社区
