Force of Nature gave 2 units (10 units, lvl 8, 1 FON)

I created a fon, put it on a unit on my team while I was Lvl 7. I went up to 8 possible unit slots. i sold the unit the fon was on, put it on someone else and when I put it on someone else it went to 9 possible units. 9 units, 1 fon, lvl 7.