[  768.909119][T13089] netdevsim netdevsim308 eni308np1: renamed from eth0
[  768.935888][T13091] netdevsim netdevsim514 eni514np1: renamed from eth1
[  769.563514][T13077] Could not find device with ifindex 2000 in netnsfd 11
[  769.567066][T13077] Could not find netns with fd: 2000
[  769.567642][T13077] Cannot link a netdevsim to itself
[  769.568126][T13077] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).