[  711.057112][T13074] netdevsim netdevsim464 eni464np1: renamed from eth0
[  711.072650][T13076] netdevsim netdevsim514 eni514np1: renamed from eth1
[  711.736584][T13062] Could not find device with ifindex 2000 in netnsfd 11
[  711.737464][T13062] Could not find netns with fd: 2000
[  711.737859][T13062] Cannot link a netdevsim to itself
[  711.738318][T13062] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).