[ 3715.131348] Running test [R:12689021 T:19 - Networking TCP: keepalive test - Kernel: 6.0.0-rc7]
 [-- MARK -- Sat Oct  1 00:10:00 2022] 
[ 3788.309507] device lo entered promiscuous mode
 [ 3824.396841] device lo left promiscuous mode
 [ 3829.867186] device lo entered promiscuous mode
 [ 3865.970633] device lo left promiscuous mode