[ 5975.568893] Running test [R:12662120 T:29 - Networking TCP: keepalive test - Kernel: 5.14.0-168.mr1370_220926_1234.el9.ppc64le] 
[-- MARK -- Mon Sep 26 16:25:00 2022] 
[ 6053.300098] device lo entered promiscuous mode 
[ 6089.576298] device lo left promiscuous mode 
[ 6100.149082] device lo entered promiscuous mode 
[ 6136.440157] device lo left promiscuous mode