Based on messages produced by tests in Evergreen it looks like these directories may not have been scrubbed yet to complete the logv2 conversion. Let me know if these are already covered by another ticket, you're having trouble finding the log statements that need to be converted, or if these belong to a different team.

src/mongo/db/query/*
src/mongo/s/query/*
src/mongo/db/views/*
src/mongo/db/matcher/*

and src/mongo/db/ops/* (per SERVER-48350)