[  947.362433][T12583] netdevsim netdevsim383 eni383np1: renamed from eth0
[  947.470552][T12581] netdevsim netdevsim748 eni748np1: renamed from eth1
[  949.200612][T12575] Could not find device with ifindex 2000 in netnsfd 11
[  949.201476][T12575] Could not find netns with fd: 2000
[  949.202028][T12575] Cannot link a netdevsim to itself
[  949.202681][T12575] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).