[ 5162.485185] Running test [R:13280483 T:24 - Networking TCP: keepalive test - Kernel: 6.1.8] 
[ 5237.593758] device lo entered promiscuous mode 
[ 5273.855448] device lo left promiscuous mode 
[ 5279.892353] device lo entered promiscuous mode 
[ 5316.139361] device lo left promiscuous mode