Siphoning ring debuff, removing soul link in coop play

According to description, the mana siphoner monsters should only give us mana degen and lightning damage.
We are playing coop with a friend, and me as an aurabot using soul link to give them my auras with the unique glove "The hand of phrecia".
As soon as we are touching the mana siphoner, our soul link is getting instantly removed.

Is that an intended interaction of the mod?

Link skills have a mana per second cost. Mana Siphoner degens your mana.

If your mana regen isn't greater than the Mana Siphoner degen + the Link skill cost, then you'll run out of mana and the link skill will end because you can't pay the cost.

Our mana reduction + regen made us not losing one single mana seemingly so we thought this as a possible bug. But in this case as you explained, yes there is a pretty good chance that it works as it should. Thank you. We will try to test this further just to be 100% sure.