[cooker] 4.0 x86_64 main repo is broken

Downloading Packages:
[MIRROR] acl-2.2.53-2-omv4000.x86_64.rpm: Downloading successful, but
checksum doesn't match. Calculated:
b32d0b87ca732dbbc419f687b796bbb4d0875ee4fabb8a646d728fb76d10083e(sha256)
Expected: ded3170f6f83b629bba8c897c53ab96396ddbc3ffdb2e70705c122ad398f6565(sha256)
[FAILED] acl-2.2.53-2-omv4000.x86_64.rpm: No more mirrors to try - All
mirrors were already tried without success
Failed to set locale, defaulting to C
Error: Error downloading packages:
  Cannot download acl-2.2.53-2-omv4000.x86_64.rpm: All mirrors were tried

BTW:

Metadata regeneration does not work.