[  751.435769][T14634] netdevsim netdevsim406 eni406np1: renamed from eth0
[  751.456420][T14636] netdevsim netdevsim664 eni664np1: renamed from eth1
[  752.002797][T14622] Could not find device with ifindex 2000 in netnsfd 11
[  752.003385][T14622] Could not find netns with fd: 2000
[  752.003847][T14622] Cannot link a netdevsim to itself
[  752.004378][T14622] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).