[  457.483305] netdevsim netdevsim404 eni404np1: renamed from eth0
[  457.484293] netdevsim netdevsim658 eni658np1: renamed from eth1
[  457.576283] Could not find device with ifindex 2000 in netnsfd 11
[  457.576435] Could not find netns with fd: 2000
[  457.576536] Cannot link a netdevsim to itself
[  457.576656] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).