How does the paradox dreadnought trait "unstable anomalies" work?

Hey all, so I got a paradox dreadnought a few months ago and I really like what its mastery trait is theoretically supposed to do. Basically, whenever gravity well, tyken's rift, chronometric inversion field, and timeline collapse expires, unstable anomalies kicks in and deals additional kinetic damage as well as lowers accuracy and damage output. I I experimented with this trait a few months ago and confirmed that unstable anomalies only kicks in when gravity well expires. It doesn't seem to work for the other 3 boff abilities. Here's the combat log for verification:

https://pastebin.com/9pdReXn6

In line 63, you can see that the trait activates after gravity well expires. However, this doesn't happen for any of the other abilities.

I tested it again yesterday, and now I'm not seeing any indications of this trait activating at all -- not even with gravity well.

What is going on? I'm a free-to-play player and I grinded a lot to get this ship. I would be extremely disappointed if all my efforts were for nothing.