[  459.222329] netdevsim netdevsim490 eni490np1: renamed from eth0
[  459.223436] netdevsim netdevsim567 eni567np1: renamed from eth1
[  459.309533] Could not find device with ifindex 2000 in netnsfd 11
[  459.309647] Could not find netns with fd: 2000
[  459.309701] Cannot link a netdevsim to itself
[  459.309762] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).