[  704.002029][T13039] netdevsim netdevsim274 eni274np1: renamed from eth0
[  704.034085][T13041] netdevsim netdevsim689 eni689np1: renamed from eth1
[  704.826559][T13026] Could not find device with ifindex 2000 in netnsfd 11
[  704.827541][T13026] Could not find netns with fd: 2000
[  704.828074][T13026] Cannot link a netdevsim to itself
[  704.828675][T13026] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).