[  472.337769] netdevsim netdevsim268 eni268np1: renamed from eth0
[  472.338514] netdevsim netdevsim566 eni566np1: renamed from eth0
[  472.407887] Could not find device with ifindex 2000 in netnsfd 11
[  472.407986] Could not find netns with fd: 2000
[  472.408044] Cannot link a netdevsim to itself
[  472.408110] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).