[  739.342119][T13066] netdevsim netdevsim300 eni300np1: renamed from eth0
[  739.383263][T13069] netdevsim netdevsim758 eni758np1: renamed from eth1
[  740.043207][T13054] Could not find device with ifindex 2000 in netnsfd 11
[  740.044061][T13054] Could not find netns with fd: 2000
[  740.044448][T13054] Cannot link a netdevsim to itself
[  740.044908][T13054] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).