Lords switching factions

[Azhael]

As many of you may know, when a faction is eliminated lords switch to other factions after a while.

Well, it happened to me that no faction was eliminated and Lord Nelag of Vaegirs suddenly belongs to Kerghits now. I don't recall seeing the message "Lord Nelag switched from Kingdom of Vaegirs to Kerghit Khanate" but i suppose it appeared. But then again, there is no apparent reason for that happening. Also, its the only lord that switched factions in this game.

Anyone know why could that have happened, or did this happen to anyone else?

 

[Kleidophoros]

I've seen lords leaving the rebellion and joining another faction but didnt see it happen like that.

 

[Azhael]

I don't know, it is very strange, did this happen to anyone else?