Remove animals bonding to masters that can't handle them.

[Sola]

Warg: bonded to Steve.

Steve's animal handling is 2.  Steve cannot become Warg's master.  This is a permanent mood debuff for Steve, and frankly, annoying.

[Songleaves]

I mean, it's not technically permanent unless your colonist is incapable of animal handling. You could always raise Steve's animal handling level.