CLightning is now using `lnbcrt` for regtest [see](https://github.com/ElementsProject/lightning/commit/b30fb952e62c4a2d9077dee7af00e6e6b8474685#diff-53092192708008b1de0d997128c58d37L18). It means that for now eclair can't be tested against clightning on regtest. Can you update ?