The log above is for when it succeeds, but after running it again and seeing it timeout after 60s, I see the message you flagged:

I20240530 11:34:59.416184    75 snapshot_executor.cpp:154] node default_group:10.0.0.221:8107:8108 the gap between fsm applied index 4753
2 and last_snapshot_index 47532 is less than 1, will clear bufferred logs and return success