[  524.279314] netdevsim netdevsim320 eni320np1: renamed from eth0
[  524.376393] netdevsim netdevsim513 eni513np1: renamed from eth1
[  524.615595] Could not find device with ifindex 2000 in netnsfd 11
[  524.615784] Could not find netns with fd: 2000
[  524.615869] Cannot link a netdevsim to itself
[  524.615980] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).