Are you phone faggin like me?
It's done that to me on occasion.
I've noticed it if I'm jumping from bread to bread or
If my VPN jumps or if i go in through another tab or if i have multiple tabs open.
There are several possible ways for your ipn to change. And it is a bummer when you can't track your conversations very well. Try and remember the last 4 numbers of each of your posts, it helps.