I see the following logs repeating fast during a call sometimes:

2022-12-17 10:00:28.551240 99.20% [DEBUG] mod_opus.c:740 Opus encoder stats: Frames[0] Bytes encoded[0] Encoded length ms[0] Average encoded bitrate bps[0]
2022-12-17 10:00:28.551240 99.20% [DEBUG] mod_opus.c:619 Opus encoder: set bitrate to local settings [72000bps]
2022-12-17 10:00:28.631241 99.20% [DEBUG] mod_opus.c:725 Opus decoder stats: Frames[0] PLC[0] FEC[0]
2022-12-17 10:00:28.631241 99.20% [DEBUG] mod_opus.c:740 Opus encoder stats: Frames[0] Bytes encoded[0] Encoded length ms[0] Average encoded bitrate bps[0]
2022-12-17 10:00:28.631241 99.20% [DEBUG] mod_opus.c:619 Opus encoder: set bitrate to local settings [72000bps]
2022-12-17 10:00:28.651240 99.20% [DEBUG] mod_opus.c:725 Opus decoder stats: Frames[0] PLC[0] FEC[0]
2022-12-17 10:00:28.651240 99.20% [DEBUG] mod_opus.c:740 Opus encoder stats: Frames[0] Bytes encoded[0] Encoded length ms[0] Average encoded bitrate bps[0]
2022-12-17 10:00:28.651240 99.20% [DEBUG] mod_opus.c:619 Opus encoder: set bitrate to local settings [72000bps]

What do they mean? Is something wrong?

thanks