[ 1246.688119][T12738] netdevsim netdevsim764 eni764np1: renamed from eth1
[ 1246.813538][T12741] netdevsim netdevsim500 eni500np1: renamed from eth0
[ 1249.394704][T12729] Could not find device with ifindex 2000 in netnsfd 11
[ 1249.396897][T12729] Could not find netns with fd: 2000
[ 1249.398239][T12729] Cannot link a netdevsim to itself
[ 1249.399972][T12729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).