This set contains one KSK rollover.  The KSK is unpublished before its
successor is published.  Tool output should resemble:

Checking KSK events for zone example.com, algorithm 7:
ERROR: After 2012-06-Oct (21:07:57):
    Delete: example.com/007/23040 (KSK)
No KSK's are published

Checking ZSK events for zone example.com, algorithm 7:
OK