[ 1246.173233][T12787] netdevsim netdevsim381 eni381np1: renamed from eth0
[ 1246.288303][T12788] netdevsim netdevsim677 eni677np1: renamed from eth1
[ 1249.224444][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1249.227009][T12774] Could not find netns with fd: 2000
[ 1249.227988][T12774] Cannot link a netdevsim to itself
[ 1249.229235][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).