[11267.913739] Running test [R:12655356 T:19 - Networking TCP: keepalive test - Kernel: 6.0.0-rc6] [11367.475389] device lo entered promiscuous mode [11406.054742] device lo left promiscuous mode [11421.754778] device lo entered promiscuous mode [-- MARK -- Sun Sep 25 00:10:00 2022] [11460.519640] device lo left promiscuous mode