Openstack Host 내 Docker VM을 이용하여 build 시 yum timeout error 가 발생한다 Step 3/24 : RUN yum -y update; yum clean all ---> Running in fe30261d039aLoaded plugins: fastestmirror, ovlSetting up Update Processhttp://ftp.neowiz.com/centos/6.8/os/x86_64/repodata/repomd.xml: [Errno 12] Timeout on http://ftp.neowiz.com/centos/6.8/os/x86_64/repodata/repomd.xml: (28, 'Operation too slow. Less than 1 bytes/sec tr..