[ 1023.808836][T12131] netdevsim netdevsim574 eni574np1: renamed from eth1
[ 1023.895427][T12069] netdevsim netdevsim315 eni315np1: renamed from eth0
[ 1025.649865][T12554] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.650908][T12554] Could not find netns with fd: 2000
[ 1025.651594][T12554] Cannot link a netdevsim to itself
[ 1025.659040][T12554] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).