[  829.728407][T14768] netdevsim netdevsim311 eni311np1: renamed from eth0
[  829.771163][T14770] netdevsim netdevsim652 eni652np1: renamed from eth1
[  830.587044][T14756] Could not find device with ifindex 2000 in netnsfd 11
[  830.588326][T14756] Could not find netns with fd: 2000
[  830.589018][T14756] Cannot link a netdevsim to itself
[  830.589793][T14756] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).