[  487.231873] netdevsim netdevsim485 eni485np1: renamed from eth0
[  487.328427] netdevsim netdevsim599 eni599np1: renamed from eth1
[  487.559176] Could not find device with ifindex 2000 in netnsfd 11
[  487.559569] Could not find netns with fd: 2000
[  487.559690] Cannot link a netdevsim to itself
[  487.559804] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).