[  520.981248] netdevsim netdevsim435 eni435np1: renamed from eth0
[  521.077718] netdevsim netdevsim692 eni692np1: renamed from eth1
[  521.319307] Could not find device with ifindex 2000 in netnsfd 11
[  521.319508] Could not find netns with fd: 2000
[  521.319589] Cannot link a netdevsim to itself
[  521.319682] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).