2025-08-28 15:18:01,723: INFO: Building opensdn-controller-control-base 2025-08-28 15:18:01,737: INFO: Building args: --network host --build-arg PIP_REPOSITORY=http://localhost:6667/pip/simple --build-arg CONTRAIL_REGISTRY=nexus.gz1.opensdn.io:5101 --build-arg CONTRAIL_CONTAINER_TAG=master-2_0_3_6-7 --build-arg SITE_MIRROR=http://nexus.gz1.opensdn.io/repository/external-web-cache --build-arg LINUX_DISTR_VER=9 --build-arg LINUX_DISTR=rockylinux --build-arg CONTAINER_NAME=opensdn-controller-control-base --build-arg UBUNTU_DISTR_VERSION=24.04 --build-arg UBUNTU_DISTR=ubuntu --build-arg VENDOR_NAME=OpenSDN-IO --build-arg VENDOR_DOMAIN=io.opensdn --build-arg BUILD_IMAGE=tf-dev-sandbox:compile #0 building with "default" instance using docker driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: #1 transferring dockerfile: 778B done #1 DONE 0.5s 1 warning found (use docker --debug to expand):  - NoEmptyContinuation: Empty continuation line (line 24) Dockerfile:20 -------------------- 19 | 20 | >>> mkdir -p /opt/contrail_dns ; 21 | >>> cp -r /etc/contrail/dns/* /opt/contrail_dns/ ; 22 | >>> chown -R contrail:contrail /etc/contrail/ ; 23 | >>> 24 | >>> CMD ["/usr/bin/tail","-f","/dev/null"] 25 | -------------------- ERROR: failed to solve: dockerfile parse error on line 20: unknown instruction: mkdir 2025-08-28 15:18:02,989: INFO: Docker build duration: 1 seconds 2025-08-28 15:18:02,994: ERROR: Building opensdn-controller-control-base failed, duration: 1 seconds