[  792.126467][T14795] netdevsim netdevsim411 eni411np1: renamed from eth0
[  792.147767][T14797] netdevsim netdevsim721 eni721np1: renamed from eth1
[  792.716918][T14783] Could not find device with ifindex 2000 in netnsfd 11
[  792.717528][T14783] Could not find netns with fd: 2000
[  792.718019][T14783] Cannot link a netdevsim to itself
[  792.718593][T14783] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).