[  773.063048][T13076] netdevsim netdevsim433 eni433np1: renamed from eth0
[  773.074541][T13078] netdevsim netdevsim697 eni697np1: renamed from eth1
[  773.876562][T13064] Could not find device with ifindex 2000 in netnsfd 11
[  773.877622][T13064] Could not find netns with fd: 2000
[  773.878169][T13064] Cannot link a netdevsim to itself
[  773.878938][T13064] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).