[  486.945355] netdevsim netdevsim709 eni709np1: renamed from eth1
[  487.042219] netdevsim netdevsim430 eni430np1: renamed from eth0
[  487.241583] Could not find device with ifindex 2000 in netnsfd 11
[  487.241864] Could not find netns with fd: 2000
[  487.241949] Cannot link a netdevsim to itself
[  487.242052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).