[  491.285006] netdevsim netdevsim427 eni427np1: renamed from eth0
[  491.382044] netdevsim netdevsim693 eni693np1: renamed from eth1
[  491.623712] Could not find device with ifindex 2000 in netnsfd 11
[  491.624103] Could not find netns with fd: 2000
[  491.624197] Cannot link a netdevsim to itself
[  491.624325] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).