[  768.355907][T14460] netdevsim netdevsim489 eni489np1: renamed from eth0
[  768.368905][T14462] netdevsim netdevsim573 eni573np1: renamed from eth1
[  769.031067][T14448] Could not find device with ifindex 2000 in netnsfd 11
[  769.031603][T14448] Could not find netns with fd: 2000
[  769.032007][T14448] Cannot link a netdevsim to itself
[  769.032415][T14448] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).