[  514.397152] netdevsim netdevsim417 eni417np1: renamed from eth0
[  514.494814] netdevsim netdevsim660 eni660np1: renamed from eth1
[  514.726109] Could not find device with ifindex 2000 in netnsfd 11
[  514.726322] Could not find netns with fd: 2000
[  514.726411] Cannot link a netdevsim to itself
[  514.726520] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).