This set includes one ZSK rollover.  The first ZSK is deactivated
prior to its replacement being activated.  Tool output should resemble:

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

Checking ZSK events for zone example.com, algorithm 7:
ERROR: After 2012-05-Dec (20:39:32):
    Inactive: example.com/005/08376 (ZSK)
No ZSK's are active