[ 1237.845104][T12616] netdevsim netdevsim351 eni351np1: renamed from eth0
[ 1237.881136][T12614] netdevsim netdevsim663 eni663np1: renamed from eth1
[ 1240.583061][T12604] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.584185][T12604] Could not find netns with fd: 2000
[ 1240.585018][T12604] Cannot link a netdevsim to itself
[ 1240.586085][T12604] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).