[  489.292948] netdevsim netdevsim354 eni354np1: renamed from eth0
[  489.393171] netdevsim netdevsim674 eni674np1: renamed from eth1
[  489.752650] Could not find device with ifindex 2000 in netnsfd 11
[  489.752837] Could not find netns with fd: 2000
[  489.752934] Cannot link a netdevsim to itself
[  489.753035] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).