[  747.726928][T14460] netdevsim netdevsim302 eni302np1: renamed from eth0
[  747.745930][T14462] netdevsim netdevsim670 eni670np1: renamed from eth1
[  748.281433][T14448] Could not find device with ifindex 2000 in netnsfd 11
[  748.281898][T14448] Could not find netns with fd: 2000
[  748.282330][T14448] Cannot link a netdevsim to itself
[  748.282736][T14448] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).