test suite failure t5570, 8 with v2.4.1-168-g1ea28e1

Hi,

so today I am running make test (no special flags I am aware of) on my
ubuntu machine using
git v2.4.1-168-g1ea28e1 and t5570-git-daemon.sh (not ok 8 - fetch
notices corrupt idx) fails.

Any hints?

Thanks,
Stefan