[ 5969.313229] Running test [R:13340712 T:24 - Networking TCP: keepalive test - Kernel: 6.2.0-rc6] 
[ 6045.819520] device lo entered promiscuous mode 
[ 6082.118614] device lo left promiscuous mode 
[ 6088.736418] device lo entered promiscuous mode 
[ 6125.026469] device lo left promiscuous mode