[  833.211477][T15653] netdevsim netdevsim479 eni479np1: renamed from eth0
[  833.231461][T15651] netdevsim netdevsim561 eni561np1: renamed from eth1
[  833.919191][T15640] Could not find device with ifindex 2000 in netnsfd 11
[  833.919726][T15640] Could not find netns with fd: 2000
[  833.920090][T15640] Cannot link a netdevsim to itself
[  833.920486][T15640] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).