[  740.670152][T13085] netdevsim netdevsim487 eni487np1: renamed from eth0
[  740.681026][T13087] netdevsim netdevsim742 eni742np1: renamed from eth1
[  741.287325][T13073] Could not find device with ifindex 2000 in netnsfd 11
[  741.288176][T13073] Could not find netns with fd: 2000
[  741.288614][T13073] Cannot link a netdevsim to itself
[  741.289066][T13073] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).