[ 1306.469690][T13053] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1306.511828][T13049] netdevsim netdevsim574 eni574np1: renamed from eth1
[ 1309.078446][T13040] Could not find device with ifindex 2000 in netnsfd 11
[ 1309.081530][T13040] Could not find netns with fd: 2000
[ 1309.082913][T13040] Cannot link a netdevsim to itself
[ 1309.083962][T13040] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).