[ 1679.139444][  T376] IPv6: NLM_F_REPLACE set, but no existing node found!
[ 1703.215313][  T506] IPv6: NLM_F_REPLACE set, but no existing node found!
[ 1708.416953][  T510] netperf (510) used greatest stack depth: 21216 bytes left
[ 1727.364032][  T639] IPv6: NLM_F_REPLACE set, but no existing node found!
[ 1751.453124][  T769] IPv6: NLM_F_REPLACE set, but no existing node found!