-e "s|alpine:3.7|multiarch/alpine:arm64-v3.7|g" {} +
find . -name Dockerfile -exec sed -i \
-e "s|opnfv/functest-core|${repo}/functest-core:arm64-latest|g" {} +
-e "s|alpine:3.7|multiarch/alpine:arm64-v3.7|g" {} +
find . -name Dockerfile -exec sed -i \
-e "s|opnfv/functest-core|${repo}/functest-core:arm64-latest|g" {} +