[  849.550413][T14785] netdevsim netdevsim434 eni434np1: renamed from eth0
[  849.584744][T14788] netdevsim netdevsim668 eni668np1: renamed from eth1
[  850.284650][T14773] Could not find device with ifindex 2000 in netnsfd 11
[  850.285542][T14773] Could not find netns with fd: 2000
[  850.285956][T14773] Cannot link a netdevsim to itself
[  850.286452][T14773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).