[ 1023.703500][T12128] netdevsim netdevsim281 eni281np1: renamed from eth0
[ 1023.816021][T12068] netdevsim netdevsim709 eni709np1: renamed from eth1
[ 1025.718029][T12450] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.719940][T12450] Could not find netns with fd: 2000
[ 1025.721437][T12450] Cannot link a netdevsim to itself
[ 1025.722866][T12450] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).