Code Value,Description,Reference
0,Unknown Shim6 message type,[RFC5533]
1,Critical Option not recognized,[RFC5533]
2,Locator verification method failed,[RFC5533]
3,Locator List Generation number out of sync,[RFC5533]
4,Error in the number of locators,[RFC5533]
5-119,Unassigned,
120-127,Reserved for debugging purposes,[RFC5533]