[ 5923.929892] Running test [R:13334955 T:22 - Networking TCP: keepalive test - Kernel: 6.2.0-rc6] 
[ 6006.240732] device lo entered promiscuous mode 
[ 6042.516601] device lo left promiscuous mode 
[ 6049.159311] device lo entered promiscuous mode 
[-- MARK -- Sat Feb  4 01:45:00 2023] 
[ 6085.428799] device lo left promiscuous mode