From Fedora Project Wiki
Koji/pkgs.fp.o Outage
Description
Koji and pkgs.fedoraproject.org went offline and unavailable for about 40 minutes.
When the issue presented itself
04-15-2016 14:12:20
When it recovered (or got fixed)
04-15-2016 14:51:51
Root Cause
This was caused by a brief spanning-tree issue in the datacenter network.
Service Owners
Follow-up steps
None for us, since the problem was caused by issues in the datacenter network.