[ 1443.722622][T12510] netdevsim netdevsim453 eni453np1: renamed from eth0
[ 1443.742081][T12509] netdevsim netdevsim588 eni588np1: renamed from eth1
[ 1447.425287][T12502] Could not find device with ifindex 2000 in netnsfd 11
[ 1447.426047][T12502] Could not find netns with fd: 2000
[ 1447.426656][T12502] Cannot link a netdevsim to itself
[ 1447.427673][T12502] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).