[  785.679167][T15642] netdevsim netdevsim497 eni497np1: renamed from eth0
[  785.696673][T15643] netdevsim netdevsim619 eni619np1: renamed from eth1
[  786.358653][T15631] Could not find device with ifindex 2000 in netnsfd 11
[  786.359211][T15631] Could not find netns with fd: 2000
[  786.359774][T15631] Cannot link a netdevsim to itself
[  786.360224][T15631] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).