Value,Description,Reference
0,Success,[RFC6775]
1,Duplicate Address,[RFC6775]
2,Neighbor Cache Full,[RFC6775]
3,Moved,[RFC8505]
4,Removed,[RFC8505]
5,Validation Requested,[RFC8505]
6,Duplicate Source Address,[RFC8505]
7,Invalid Source Address,[RFC8505]
8,Registered Address Topologically Incorrect,[RFC8505]
9,6LBR Registry Saturated,[RFC8505]
10,Validation Failed,[RFC8505]
11,Registration Refresh Request,[RFC9685]
12,Invalid Registration,[RFC9685]
13-63,Unassigned,[RFC9010]