[ 3781.176324] Running test [R:12677638 T:19 - Networking TCP: keepalive test - Kernel: 6.0.0-0.rc7.c3e0e1e23c70.50.test.fc38.s390x] [ 3854.785891] device lo entered promiscuous mode [-- MARK -- Thu Sep 29 14:50:00 2022] [ 3890.895065] device lo left promiscuous mode [ 3896.470094] device lo entered promiscuous mode [ 3932.570545] device lo left promiscuous mode