[  513.917022] netdevsim netdevsim340 eni340np1: renamed from eth0
[  514.015213] netdevsim netdevsim704 eni704np1: renamed from eth1
[  514.213383] Could not find device with ifindex 2000 in netnsfd 11
[  514.213547] Could not find netns with fd: 2000
[  514.213633] Cannot link a netdevsim to itself
[  514.213735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).