on my Android phone I usually get duplicated system notifications for the same event. This bug basically appears on all events (follow, unfollow, comment on post, etc.).
When I do nothing with it, so just whiping it out (deleting), you can wait they will appear again.
I am not sure, if this is real bug, because the steem user name sounds like a bot and maybe the bot really did this so often. But in my opinion it's worth some investigation at this.
[...] (more details see the issue)
