[ 1031.376839][T12467] netdevsim netdevsim489 eni489np1: renamed from eth0
[ 1031.475365][T12466] netdevsim netdevsim623 eni623np1: renamed from eth1
[ 1033.377272][T12561] Could not find device with ifindex 2000 in netnsfd 11
[ 1033.378273][T12561] Could not find netns with fd: 2000
[ 1033.378933][T12561] Cannot link a netdevsim to itself
[ 1033.379958][T12561] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).