[ 1246.768852][T12789] netdevsim netdevsim672 eni672np1: renamed from eth1
[ 1246.884691][T12790] netdevsim netdevsim362 eni362np1: renamed from eth0
[ 1249.449103][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1249.450289][T12778] Could not find netns with fd: 2000
[ 1249.451177][T12778] Cannot link a netdevsim to itself
[ 1249.453340][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).