[  832.875112][T15774] netdevsim netdevsim475 eni475np1: renamed from eth0
[  832.894775][T15773] netdevsim netdevsim514 eni514np1: renamed from eth1
[  833.493897][T15762] Could not find device with ifindex 2000 in netnsfd 11
[  833.494519][T15762] Could not find netns with fd: 2000
[  833.495122][T15762] Cannot link a netdevsim to itself
[  833.495753][T15762] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).