[ 9552.564157] Running test [R:12658395 T:19 - Networking TCP: keepalive test - Kernel: 6.0.0-rc6] 
[-- MARK -- Sun Sep 25 21:40:00 2022] 
[ 9645.290462] device lo entered promiscuous mode 
[ 9683.385876] device lo left promiscuous mode 
[ 9697.340861] device lo entered promiscuous mode 
[ 9735.405264] device lo left promiscuous mode