[ 1493.797847] Running test [R:13246712 T:13 - Networking TCP: keepalive test - Kernel: 6.2.0-rc3] [-- MARK -- Wed Jan 18 05:50:00 2023] [ 1566.723783] device lo entered promiscuous mode [ 1602.808271] device lo left promiscuous mode [ 1608.304936] device lo entered promiscuous mode [ 1644.390891] device lo left promiscuous mode