[ 6702.928853] Running test [R:12655348 T:24 - Networking TCP: keepalive test - Kernel: 6.0.0-rc6] 
[ 6782.266498] device lo entered promiscuous mode 
[-- MARK -- Sat Sep 24 23:20:00 2022] 
[ 6818.881158] device lo left promiscuous mode 
[ 6826.253942] device lo entered promiscuous mode 
[ 6862.778722] device lo left promiscuous mode