This bitmap reveals the state at the last grumble from
the peer and are most handy for diagnosing problems.
Duplicate packet: 0x0001
Bogus packet: 0x0002
Protocol unsynchronized: 0x0004
Access denied: 0x0008
Authentication failure: 0x0010
Peer clock unsynchronized: 0x0020
Peer stratum out: 0x0040
Root delay/dispersion bounds check: 0x0080
Peer delay dispersion bounds check: 0x0100
Autokey failed: 0x0200
Proventic not confirmed: 0x0400