[  683.159711][T11077] netdevsim netdevsim438 eni438np1: renamed from eth0
[  683.283892][T11076] netdevsim netdevsim687 eni687np1: renamed from eth1
[  685.055781][T11069] Could not find device with ifindex 2000 in netnsfd 11
[  685.056660][T11069] Could not find netns with fd: 2000
[  685.057275][T11069] Cannot link a netdevsim to itself
[  685.058039][T11069] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).