Address Lists dynamics 00:00:00

We have some filter to block SSH/telnet attack.
first attend → Address list stage 1 for 1 minutes
second attend during the minutes → address list stage 2 for 1 minutes
third attend during the minutes → address list stage 3 for 1 minutes
fourth attend during the minutes → address list Blacklist for 4 hours.

I got always some address who don’t remove after the Timeout.
Someone know why it stay here even if the timeout expire
timeout address list.png

And you are running version x of RouterOS?

RouterOS 6.41.4 on CCR1072-1G-8S+