[  472.084791] netdevsim netdevsim409 eni409np1: renamed from eth0
[  472.085271] netdevsim netdevsim746 eni746np1: renamed from eth1
[  472.158639] Could not find device with ifindex 2000 in netnsfd 11
[  472.158774] Could not find netns with fd: 2000
[  472.158873] Cannot link a netdevsim to itself
[  472.158983] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).