buildx failed with: ERROR: failed to solve: registry.community.greenbone.net/community/gvm-libs:oldstable-edge: failed to resolve source metadata for registry.community.greenbone.net/community/gvm-libs:oldstable-edge: unexpected status from HEAD request to https://registry.community.greenbone.net/v2/community/gvm-libs/manifests/oldstable-edge: 502 Bad Gateway