[  700.718726][T13062] netdevsim netdevsim409 eni409np1: renamed from eth0
[  700.745577][T13061] netdevsim netdevsim668 eni668np1: renamed from eth1
[  701.494215][T13050] Could not find device with ifindex 2000 in netnsfd 11
[  701.495067][T13050] Could not find netns with fd: 2000
[  701.495465][T13050] Cannot link a netdevsim to itself
[  701.495948][T13050] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).