[ 5516.163158] Running test [R:13328511 T:24 - Networking TCP: keepalive test - Kernel: 6.2.0-rc6] [ 5590.978529] device lo entered promiscuous mode [ 5627.185963] device lo left promiscuous mode [ 5633.133905] device lo entered promiscuous mode [ 5669.342467] device lo left promiscuous mode