[  819.492445][T14590] netdevsim netdevsim329 eni329np1: renamed from eth0
[  819.504990][T14592] netdevsim netdevsim638 eni638np1: renamed from eth1
[  820.081876][T14578] Could not find device with ifindex 2000 in netnsfd 11
[  820.082458][T14578] Could not find netns with fd: 2000
[  820.082848][T14578] Cannot link a netdevsim to itself
[  820.083260][T14578] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).