[ 3086.556689] Running test [R:12676578 T:14 - Networking TCP: keepalive test - Kernel: 6.0.0-rc6] [ 3162.630776] device lo entered promiscuous mode [ 3198.921358] device lo left promiscuous mode [ 3205.517382] device lo entered promiscuous mode [ 3241.809613] device lo left promiscuous mode