[ 5675.363706] Running test [R:13315208 T:22 - Networking TCP: keepalive test - Kernel: 6.2.0-0.rc6.22b8077d0fce.45.test.fc38.ppc64le] 
[ 5756.900671] device lo entered promiscuous mode 
[ 5793.160055] device lo left promiscuous mode 
[ 5799.703169] device lo entered promiscuous mode 
[ 5835.969750] device lo left promiscuous mode