Seem to be getting this message on the firewall status screen on LuCI. Currently on latest TOS (I believe 7.1.2 now).
The legacy rules appear to be created by SQM for “marking” of certain things on the guest network. I do have QOS enabled in Reforis for the guest network.
Is this a known issue, a bug, or a cleanup problem?
Cake and fq_codel are traffic shaping algorithms. I believe if you set up SQM to fight bufferbloat yourself then most likely you used cake/layer_of_cake.
If you didnt set it up yourself then I guess guest wifi is using fq_codel. You may check it out using