[ 4731.359160] Running test [R:12679795 T:24 - Networking TCP: keepalive test - Kernel: 6.0.0-rc7] 
[-- MARK -- Thu Sep 29 20:50:00 2022] 
[ 4805.409226] device lo entered promiscuous mode 
[ 4841.715223] device lo left promiscuous mode 
[ 4847.829163] device lo entered promiscuous mode 
[ 4884.130902] device lo left promiscuous mode