[  806.004563][T14812] netdevsim netdevsim498 eni498np1: renamed from eth0
[  806.016746][T14814] netdevsim netdevsim684 eni684np1: renamed from eth1
[  806.687345][T14800] Could not find device with ifindex 2000 in netnsfd 11
[  806.688341][T14800] Could not find netns with fd: 2000
[  806.688747][T14800] Cannot link a netdevsim to itself
[  806.689203][T14800] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).