Hi all, Thanks for Eric's help. Issue is closed https://github.com/kata-containers/osbuilder/issues/110 Regards, Changcheng From: Ernst, Eric Sent: Thursday, June 7, 2018 11:28 PM To: Liu, Changcheng <changcheng.liu at intel.com> Cc: Hunt, James O <james.o.hunt at intel.com>; kata-dev at lists.katacontainers.io Subject: Re: [kata-dev] osbuilder/rootfs build with docker on native ubuntu host I'm pretty confident this is proxy name resolution issues. Thanks corporate network. Disable dnsmasq in the host. (Assuming Ubuntu host) Thx, Eric Comment out dnsmasq in: $ sudo vi /etc/NetworkManager/NetworkManager.conf $ sudo systemctl daemon-reload $ sudo systemctl restart network-manager -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.katacontainers.io/pipermail/kata-dev/attachments/20180608/2a61571a/attachment.html>