Rosbag and simulated time

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Hello all, I am trying to run a bag file if simulated time but I am not succeeding on it. Here is what happens: After I run the bag file with the command

rosbag play --clock -l laser_scanner3.bag

I am checking the timestamp published by the topic \clock, i.e. the simulated time, and the timestamp presented in another topic, which is not the same as the one from the \clock topic. I need to solve this dyssynchrony, because, otherwise, I will not be able to use the transformations from TF.

I know that this file were originally recorded with ORCA and after transformed in .bag format. Maybe, the issue is here.

Any guess on how I can solve this issue?

Thanks!