[  765.384743][T14756] netdevsim netdevsim407 eni407np1: renamed from eth0
[  765.390853][T14758] netdevsim netdevsim567 eni567np1: renamed from eth1
[  765.956930][T14744] Could not find device with ifindex 2000 in netnsfd 11
[  765.957575][T14744] Could not find netns with fd: 2000
[  765.957924][T14744] Cannot link a netdevsim to itself
[  765.958342][T14744] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).