I don't see this error in the zypper history log for SLE Micro > # 2021-03-03 13:47:23 libcontainers-common.rpm installed ok > # Additional rpm output: > # warning: /var/cache/kiwi/packages/68a0e41bc5807be0be04cdc2f7467030/libcontainers-common.rpm: Header V3 RSA/SHA256 Signature, key ID 39db7c82: NOKEY > # > 2021-03-03 13:47:23|install|libcontainers-common|20200727-3.12.1|noarch||68a0e41bc5807be0be04cdc2f7467030|45707af8943c6fb3820e714c1b5e161ce2b4e08d0b8e10deede4dd9a0f36fd2d| > # 2021-03-03 13:47:23 u-boot-rpiarm64.rpm installed ok > # Additional rpm output: > # warning: /var/cache/kiwi/packages/73a958c9f819eccecdb5a0ca63683b4a/u-boot-rpiarm64.rpm: Header V3 RSA/SHA256 Signature, key ID 39db7c82: NOKEY However, the driver setting is empty as well. > # Default Storage Driver > driver = ""