[  769.668237][T16990] netdevsim netdevsim476 eni476np1: renamed from eth0
[  769.687562][T16992] netdevsim netdevsim689 eni689np1: renamed from eth1
[  770.227302][T16978] Could not find device with ifindex 2000 in netnsfd 11
[  770.227783][T16978] Could not find netns with fd: 2000
[  770.228158][T16978] Cannot link a netdevsim to itself
[  770.228593][T16978] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).