[  489.374989] netdevsim netdevsim258 eni258np1: renamed from eth0
[  489.472104] netdevsim netdevsim627 eni627np1: renamed from eth1
[  489.704831] Could not find device with ifindex 2000 in netnsfd 11
[  489.705104] Could not find netns with fd: 2000
[  489.705199] Cannot link a netdevsim to itself
[  489.705351] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).