[ 2717.680000] Running test [R:13335929 T:15 - Networking TCP: keepalive test - Kernel: 6.2.0-rc6] 
[ 2798.930936] device lo entered promiscuous mode 
[ 2835.191790] device lo left promiscuous mode 
[ 2841.773747] device lo entered promiscuous mode 
[ 2878.023044] device lo left promiscuous mode