[  472.656497] netdevsim netdevsim266 eni266np1: renamed from eth0
[  472.657021] netdevsim netdevsim747 eni747np1: renamed from eth1
[  472.731405] Could not find device with ifindex 2000 in netnsfd 11
[  472.731493] Could not find netns with fd: 2000
[  472.731539] Cannot link a netdevsim to itself
[  472.731590] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).