[  459.687592] netdevsim netdevsim346 eni346np1: renamed from eth0
[  459.688147] netdevsim netdevsim548 eni548np1: renamed from eth1
[  459.778147] Could not find device with ifindex 2000 in netnsfd 11
[  459.778247] Could not find netns with fd: 2000
[  459.778296] Cannot link a netdevsim to itself
[  459.778351] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).