[  773.511960][T14787] netdevsim netdevsim376 eni376np1: renamed from eth0
[  773.522675][T14789] netdevsim netdevsim673 eni673np1: renamed from eth1
[  774.124890][T14775] Could not find device with ifindex 2000 in netnsfd 11
[  774.125558][T14775] Could not find netns with fd: 2000
[  774.125942][T14775] Cannot link a netdevsim to itself
[  774.126748][T14775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).