[ 5846.205920] Running test [R:13338962 T:24 - Networking TCP: keepalive test - Kernel: 6.2.0-rc6] 
[ 5922.446494] device lo entered promiscuous mode 
[ 5958.774322] device lo left promiscuous mode 
[ 5965.422549] device lo entered promiscuous mode 
[ 6001.744900] device lo left promiscuous mode