[  801.150182][T14768] netdevsim netdevsim290 eni290np1: renamed from eth0
[  801.156559][T14770] netdevsim netdevsim647 eni647np1: renamed from eth1
[  801.774274][T14756] Could not find device with ifindex 2000 in netnsfd 11
[  801.774793][T14756] Could not find netns with fd: 2000
[  801.775184][T14756] Cannot link a netdevsim to itself
[  801.775610][T14756] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).