All reports of udeb-postinst-must-not-call-ldconfig for the archive. The extended description of this tag is:

The postinst script calls ldconfig, which is an error in udebs. ldconfig is not available and not needed in debian-installer

Severity: important, Certainty: certain

Check: shared-libs, Type: binary, udeb

This tag has not been emitted in any package tested by Lintian.