[  484.790121] netdevsim netdevsim444 eni444np1: renamed from eth0
[  484.790424] netdevsim netdevsim574 eni574np1: renamed from eth1
[  484.890848] Could not find device with ifindex 2000 in netnsfd 11
[  484.890969] Could not find netns with fd: 2000
[  484.891021] Cannot link a netdevsim to itself
[  484.891099] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).